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Managing dietary approaches for obesity: an overview
Table of Contents
Introduction
Managing dietary strategies, highlighting their benefits and drawbacks, and discussing the importance of tailoring a dietary plan to individual needs.
Obesity has become a pressing global health concern, affecting millions worldwide and contributing to various chronic diseases such as diabetes, cardiovascular disorders, and certain types of cancer [1].
The prevalence of obesity continues to rise; it is critical to explore practical and sustainable dietary approaches for managing this condition.
Obesity is a complex and multifactorial condition influenced by genetic, environmental, and lifestyle factors [2].
Managing and exploring various dietary strategies
The Role of Diet in Obesity Management
Diet plays a significant role in the development and management of obesity. The global increase in the consumption of energy-dense, nutrient-poor food, coupled with a decrease in physical activity, has led to an imbalance in energy intake and expenditure, ultimately contributing to the obesity epidemic [3].
Various Dietary Approaches
Given the critical role of diet in obesity, it is essential to explore various dietary approaches to help individuals achieve and maintain a healthy weight.
Some popular approaches include low-calorie diets, low-carbohydrate diets, the Mediterranean diet, plant-based diets, and intermittent fasting[4].
The effectiveness of these approaches varies from person to person, as factors such as individual preferences, genetic makeup, and health status play a significant role in determining weight loss success [5].
Understanding obesity and its causes
Complex causes of obesity
Understanding obesity and its causes is essential for developing targeted and effective dietary strategies to manage this complex condition. We delve deeper into the factors contributing to obesity, including genetic, environmental, and lifestyle components, and explore the role of diet in its development and progression.
The interplay of genetics, environment, and diet
Genetic factors play a significant role in obesity, with heritability estimates ranging from 40% to 70% [6]. Several genes have been identified as being associated with obesity, with some affecting appetite regulation, energy expenditure, and fat storage [7].
Although genetics predispose specific individuals to obesity, the interplay between genetic and environmental factors ultimately determines the condition’s development [8].
Diet plays a critical role in both the development and management of obesity, and adopting a healthy dietary pattern is vital to achieving and maintaining a healthy weight.
Environmental and lifestyle factors managing
Impact of the built environment
The built environment, including urban design, transportation systems, and access to healthy food options, can impact individuals’ behaviours and choices related to diet and physical activity [9].
Living in areas with limited access to fresh produce or recreational spaces can make it challenging to maintain a healthy lifestyle.
The widespread availability of energy-dense, nutrient-poor foods and the pervasive marketing of unhealthy food options can further exacerbate the issue [3].
Lifestyle factors on obesity
Lifestyle factors, such as dietary habits and physical activity levels, are crucial determinants of obesity.
A sedentary lifestyle, characterised by insufficient physical activity and excessive screen time, has become increasingly common and is associated with weight gain and obesity [10].
Consuming energy-dense foods high in added sugars, unhealthy fats, and refined carbohydrates can increase caloric intake and contribute to weight gain [3].
A diet rich in fruits, vegetables, whole grains, lean protein, and healthy fats can help prevent and manage obesity.
Managing impact of diet on obesity
Diet plays a pivotal role in the development and management of obesity. Over the past few decades, the global food environment has shifted towards the increased production and consumption of highly processed, energy-dense, and nutrient-poor foods [3].
This has resulted in a higher intake of calories, sugars, and unhealthy fats, which, combined with decreased physical activity levels, leads to an imbalance between energy intake and expenditure.
Research has consistently shown that adopting a healthy dietary pattern, which emphasises nutrient-dense, minimally processed foods, can help individuals achieve and maintain a healthy weight [4].
The most effective dietary approach for managing obesity is highly individualised, as factors such as genetics, preferences, and health status can influence weight loss success [5].
Dietary approaches for managing obesity
Dietary approaches for managing obesity are critical in addressing this global health concern. We will present an overview of popular dietary methods, including low-calorie, low-carbohydrate, Mediterranean, plant-based, and intermittent fasting.
Each dietary approach has unique principles, benefits, and drawbacks, which can influence the success and sustainability of weight loss efforts. Various nutritional strategies can effectively manage obesity, each with unique principles, benefits, and drawbacks.
Individuals must consult healthcare professionals and explore different dietary approaches to determine the most suitable and sustainable plan for their needs.
Diets for weight loss
Controlling and managing low-calorie for weight loss
Low-calorie diets: reduce daily caloric intake to achieve a negative energy balance, promoting weight loss [11].
These diets emphasise consuming nutrient-dense, low-calorie foods such as fruits, vegetables, whole grains, and lean proteins. The benefits of low-calorie diets include promoting weight loss and improving overall health markers, such as blood pressure and cholesterol levels [12].
Some individuals may find it challenging to adhere to a low-calorie diet long-term, leading to weight regain [4].
Controlling and managing low-carbohydrate for weight loss
Low-carbohydrate diets, such as the ketogenic and Atkins diets, focus on reducing carbohydrate intake while increasing protein and fat consumption [13].
These diets claim to promote weight loss by stimulating the body to use stored fat for energy rather than carbohydrates. Low-carbohydrate diets have resulted in short-term weight loss and improvements in some health markers [14].
These diets’ long-term sustainability and potential adverse effects, including nutrient deficiencies and increased risk of chronic diseases, remain a concern [15].
Weight managing
Investigating the Mediterranean in obesity management
Mediterranean diet: is a heart-healthy dietary pattern, characterised by high consumption of fruits, vegetables, whole grains, legumes, nuts, and olive oil, moderate consumption of fish and dairy products, and limited consumption of red meat and added sugars [16].
This diet has numerous health benefits, including weight loss, reduced risk of cardiovascular disease, and improved mental health [17].
Investigating plant-based diets in obesity management
Plant-based diets: vegetarian and vegan diets emphasise the consumption of plant-derived fruits, vegetables, legumes, nuts, seeds, and whole grains, while limiting or avoiding animal-derived foods [18].
These diets have been shown to promote weight loss, improve cardiovascular health, and reduce the risk of chronic diseases [19].
Plant-based diets should ensure they consume adequate amounts of essential nutrients, such as vitamin B12, iron, and omega-3 fatty acids, primarily found in animal-derived foods [20].
Investigating intermittent fasting in obesity management
Intermittent fasting: is an eating pattern that alternates between periods of fasting and eating, with various approaches such as the 16:8 method (16 hours of fasting followed by an 8-hour eating window) or the 5:2 method (two non-consecutive days of low-calorie intake and five days of regular eating) [21].
Intermittent fasting has been shown to promote weight loss and improve metabolic health markers [22]. Certain medical conditions include pregnant or breastfeeding women and those with a history of eating disorders [23].
Low-calorie diets control
Deep dive into low-calorie diets managing
Low-calorie diets are among the most widely used dietary approaches for managing obesity. These diets reduce daily caloric intake to achieve a negative energy balance, promoting weight loss.
Low-calorie diets, their benefits, potential drawbacks, and practical tips for implementing this approach.
Principles of low-calorie diets: focus on consuming nutrient-dense, low-calorie foods, such as fruits, vegetables, whole grains, and lean proteins [11].
This allows individuals to maintain a feeling of satiety while consuming fewer calories. The daily calorie intake may vary based on individual factors, such as age, sex, weight, and activity level.
A common approach is to reduce calorie intake by 500 to 1,000 calories per day, resulting in a weight loss of 1 to 2 pounds per week [24].
Benefits of low-calorie diets: their effectiveness in promoting weight loss. Studies have demonstrated that reducing calorie intake can lead to significant weight loss and improve health markers, such as blood pressure, cholesterol levels, and insulin sensitivity [12].
Adopting a low-calorie diet rich in fruits, vegetables, and whole grains can provide essential nutrients and antioxidants that support overall health [25]
Low-calorie diets for weight loss success
Challenges of low-calorie diets tips for long-term Success
Although low-calorie diets can be effective for weight loss, some individuals may need help to adhere to this dietary approach long-term. This can lead to weight regain and a cycle of yo-yo dieting, which may adversely affect physical and psychological health [4].
Low-calorie diets that are not well-balanced can result in nutrient deficiencies and negative health consequences, such as fatigue, muscle loss, and decreased immune function [26].
Practical tips for implementing a low-calorie diet:
- Focus on nutrient-dense foods: consuming fruits, vegetables, whole grains, lean proteins, and healthy fats. These foods provide essential nutrients and help maintain satiety while reducing calorie intake [25].
- Practice portion control: avoid eating large portions of high-calorie foods. Using smaller plates and bowls can help control portion sizes [27].
- Plan meals and snacks: advance can help ensure that nutrient-dense, low-calorie options are readily available, reducing the likelihood of making impulsive, unhealthy food choices [28].
- Stay hydrated: throughout the day can help maintain hydration and promote a feeling of fullness, reducing the likelihood of overeating [29].
- Engage in regular physical activity: can enhance weight loss results and support overall health [30].
By focusing on consuming nutrient-dense, low-calorie foods and practising portion control, individuals can achieve a negative energy balance and promote weight loss.
Low carbohydrate diets control
Principles, benefits, and implementation
Low-carbohydrate diets, such as the ketogenic and Atkins diets, have gained popularity as an alternative approach to managing obesity.
The principles of low-carbohydrate diets, their potential benefits, drawbacks, and practical tips for implementing this dietary approach.
The principles of low-carbohydrate diets focus on reducing carbohydrate intake while increasing protein and fat consumption [13].
The exact proportion of macronutrients may vary depending on the specific diet plan. The ketogenic diet typically restricts carbohydrate intake to about 5% of daily calories, while the Atkins diet allows for a gradual increase in carbohydrate intake over time [31].
Low-carbohydrate diets claim to promote weight loss by stimulating the body to use stored fat for energy rather than carbohydrates through a process called ketosis [32].
Potential benefits: have resulted in short-term weight loss and improvements in some health markers, such as blood lipid profiles and glycemic control [14].
These diets may also help suppress appetite by promoting satiety through increased protein and fat consumption [33].
Managing a well-balanced low-carbohydrate diet
Potential and practical guidelines
The long-term sustainability and potential adverse effects of low-carbohydrate diets remain a concern. Studies suggest that restrictive low-carbohydrate diets may increase the risk of nutrient deficiencies, such as inadequate fibre, potassium, and magnesium intake, which can have negative health consequences [15].
Low-carbohydrate diets high in saturated fat may increase cardiovascular disease risk [34].
Practical tips low-carbohydrate diet:
- Prioritize high-quality protein sources: Choose lean meats, poultry, fish, and plant-based protein sources, such as beans, lentils, and tofu, to meet protein requirements without excessive saturated fat intake [35].
- Include healthy fats: opt for unsaturated fats, such as avocados, nuts, seeds, and olive oil, to promote heart health while following a low-carbohydrate diet [36].
- Consume non-starchy vegetables: incorporating non-starchy vegetables, such as leafy greens, broccoli, and cauliflower, to provide essential nutrients and fibre without significantly increasing carbohydrate intake [37].
- Monitor electrolyte intake: low-carbohydrate diets may lead to increased fluid loss; it is essential to ensure adequate electrolyte intake, particularly sodium, potassium, and magnesium, to maintain proper hydration and prevent muscle cramps [38].
- Seek professional guidance: Consult with a healthcare professional or registered dietitian to ensure the low-carbohydrate diet is well-balanced and tailored to individual needs [39].
Mediterranean diet managing
The Mediterranean diet is a well-researched dietary approach associated with various health benefits, including weight management and reduced risk of chronic diseases.
The principles of the Mediterranean diet, its potential benefits, and practical tips for implementing this dietary approach for managing obesity.
Principles of the Mediterranean diet
The Mediterranean diet is characterised by a high intake of fruits, vegetables, whole grains, legumes, and nuts and moderate consumption of fish, poultry, and dairy products [40].
Olive oil is the primary source of fat, while red meat and processed foods are consumed in limited amounts.
This dietary pattern also emphasises the importance of regular physical activity, social interactions, and enjoying meals with family and friends [41].
The Mediterranean diet encourages a holistic approach to well-being, focusing on physical activity and social connections.
Mediterranean diet control : benefits and tips
The Mediterranean diet has health benefits.
Research has shown that it can aid in weight loss, improve cardiovascular health, and reduce the risk of various chronic diseases, such as type 2 diabetes and certain cancers [16]. The diet’s high fibre content, antioxidants, and anti-inflammatory compounds are believed to contribute to these health-promoting effects [42].
Practical tips Mediterranean diet:
- Increase fruit and vegetable intake: Aim to consume at least five servings of fruits and vegetables daily, prioritising a variety of colours and types to maximise nutrient intake [43].
- Choose whole grains: Opt for whole grain products, such as brown rice, whole wheat pasta, and whole grain bread, to increase dietary fibre and promote satiety [44].
- Prioritize healthy fats: Replace saturated fats, such as butter and lard, with unsaturated fats, like olive oil and avocados, associated with improved heart health [45].
- Consume lean protein sources: incorporating fish, poultry, legumes, and nuts as primary protein sources while limiting red meat consumption [46].
- Enjoy meals with others: Embrace the social aspect of the Mediterranean diet by sharing meals with family and friends to enhance the enjoyment of food and promote mindful eating [41].
By consuming nutrient-dense foods, healthy fats, and lean proteins, individuals can improve their overall health while achieving and maintaining a healthy weight.
Plant based diets managing
Exploring plant-based diets: for obesity management
Plant-based diets, including vegetarian and vegan, have gained attention as a potential approach to managing obesity and promoting overall health.
The principles of plant-based diets, the potential benefits, and practical tips for implementing this dietary approach for managing obesity.
Principles of plant-based diets
Plant-based diets emphasise consuming foods derived from plants, such as fruits, vegetables, whole grains, legumes, nuts, and seeds while minimising or eliminating animal products [47].
Vegetarian diets typically exclude meat, poultry, and fish, whereas vegan diets exclude all animal-derived products, including dairy and eggs. The primary focus is consuming nutrient-dense, minimally processed plant foods [48].
As with any dietary approach, it is essential to consult with healthcare professionals to ensure the diet is well-balanced and meets individual nutritional needs.
Plant-based diet control: health benefits and tips
Benefits and practical guidelines for a plant-based diet
Research suggests that plant-based diets can lead to weight loss and improve various health markers, such as blood pressure, lipid profiles, and glycemic control [17].
These benefits are primarily attributed to the diets’ high fibre content, low saturated fat content, and abundance of antioxidants and phytochemicals [49].
Practical tips for implementing a plant-based diet:
- Prioritize protein sources: Ensure adequate protein intake by consuming various plant-based protein sources, such as legumes, tofu, tempeh, seitan, and whole grains [50].
- Incorporate healthy fats: Include healthy fats, such as nuts, seeds, avocados, and olive oil, to support overall health and satiety [45].
- Focus on whole foods: Emphasize minimally processed plant foods while limiting processed and refined foods, which may be high in added sugars, unhealthy fats, and sodium [48].
- Ensure nutrient adequacy: Be mindful of potential nutrient deficiencies, such as vitamin B12, iron, calcium, and omega-3 fatty acids, and consider supplementation or fortified foods if necessary [51].
- Seek professional guidance: Consult with a healthcare professional or registered dietitian to ensure the plant-based diet is well-balanced and tailored to individual needs [39].
Intermittent fasting managing
Intermittent fasting: for obesity management
Intermittent fasting (IF) is an increasingly popular dietary approach for managing obesity and promoting overall health. The principles of intermittent fasting, its potential benefits, and practical tips for implementing this dietary approach for managing obesity.
Principles of intermittent fasting
Intermittent fasting involves alternating periods of eating and fasting, with various methods to choose from. Standard IF protocols include time-restricted feeding (e.g., 16/8 or 14/10, where one consumes all meals within an 8- or 10-hour window, respectively), alternate-day fasting (alternating between fasting and regular eating days), and the 5:2 method (restricting calorie intake to 500-600 calories for two non-consecutive days per week) [52].
Consult a healthcare professional and adopt a balanced diet during eating periods to ensure long-term success.
Intermittent fasting control: health benefits and tips
Health benefits and guidelines
Studies have shown that intermittent fasting can lead to weight loss, improvements in insulin sensitivity, and reductions in inflammation and oxidative stress[53].
The weight loss benefits of IF are thought to result from reduced calorie intake during fasting periods and metabolic adaptations that favor fat burning [54].
IF has been associated with cardiovascular, brain, and longevity improvements [55].
Practical tips for implementing intermittent fasting:
- Choose an appropriate IF method: Select an IF protocol that best aligns with individual preferences, lifestyle, and health goals. It is essential to consider personal factors, such as daily schedules, social commitments, and physical activity levels, to ensure long-term adherence [52].
- Maintain a balanced diet: Regardless of the chosen IF method, it is crucial to consume a nutrient-dense and balanced diet during eating periods, emphasising whole foods, lean proteins, healthy fats, and plenty of fruits and vegetables[56].
- Stay hydrated: Drink plenty of water and non-caloric beverages during fasting periods to maintain hydration and help manage hunger [57].
- Monitor progress and adjust as needed: Track weight loss progress, energy levels, and overall well-being to evaluate the effectiveness of the chosen IF protocol. Adjustments may be necessary to achieve desired results or address challenges [58].
- Consult with a healthcare professional: Dietary approach, it is essential to consult with a healthcare professional or registered dietitian before beginning intermittent fasting, particularly for individuals with pre-existing medical conditions or those taking medications [39].
By incorporating periods of fasting and eating, individuals may achieve and maintain a healthy weight while experiencing additional health benefits.
Portion control and mindful eating
Fundamental strategies for weight management
Portion control and mindful eating are two complementary strategies that can be employed with various dietary approaches for managing obesity.
We will discuss the principles of portion control and mindful eating, their potential benefits, and practical tips for implementing these strategies for managing obesity.
Principles of portion control: Portion control involves being aware of and managing food serving sizes [59].
This practice is essential for weight management, as it helps individuals avoid overeating and consuming excess calories.
Research has shown that portion sizes have increased over the past few decades, contributing to the rise in obesity rates [60].
Principles of mindful eating: Mindful eating involves paying attention to one’s eating experience, including hunger and satiety cues, taste, texture, and the emotional and physical sensations associated with eating [61].
This practice promotes a healthier relationship with food and can help individuals make more informed decisions about when and how much to eat [62].
Portion control and mindful eating: benefits and tips
Implementing portion control and mindful eating
Research has shown that portion control and mindful eating can lead to weight loss, improved satiety, and a healthier relationship with food [63].
These strategies can be easily incorporated into any dietary approach, providing additional support for managing obesity.
Practical tips for implementing portion control and mindful eating:
- Use smaller plates and serving utensils: Smaller plates and serving utensils can help visually reduce portion sizes and encourage eating smaller amounts[64].
- Pre-portion snacks and meals: Divide snacks and meals into smaller portions before consuming them to avoid overeating [65].
- Listen to hunger and fullness cues: Pay attention to bodily sensations of hunger and fullness, and adjust food intake accordingly [61].
- Eat slowly and savour each bite: Taking the time to chew and savour each bite can help promote satiety and a more enjoyable eating experience [62].
- Limit distractions during meals: Avoid eating while watching TV, working, or engaging in other activities that may distract from the eating experience and lead to overeating [66].
- Practice self-compassion: Recognize that setbacks may occur, and treat oneself with kindness and understanding when faced with challenges related to portion control and mindful eating [67].
Tailoring a dietary approach to individual needs
Tailoring a dietary approach to individual needs
The long-term success of any weight management plan. The importance of personalisation, factors to consider when selecting a dietary approach, and strategies for creating a tailored plan for managing obesity.
Importance of personalisation: A one-size-fits-all approach to managing obesity is unlikely to yield optimal results, as individual preferences, lifestyles, and health considerations can significantly impact the success of a dietary plan [68].
Personalising a dietary approach allows individuals to align their weight management efforts with their unique needs, leading to greater adherence and long-term success [69].
Tailoring a dietary approach is essential for the long-term success of obesity management.
Considering personal preferences, lifestyle factors, health status, and psychological factors, individuals can create a personalised plan that supports their unique weight management journey.
Selecting a personalized dietary approach:
Factors to consider when selecting a dietary approach:
When tailoring a dietary approach to individual needs, several factors should be taken into account:
- Personal preferences: Consider personal taste preferences, cultural or religious dietary restrictions, and specific nutritional needs or allergies [70].
- Lifestyle: Evaluate daily routines, work schedules, family commitments, and social life to ensure the chosen approach is compatible with one’s lifestyle [71].
- Health status: Assess any pre-existing medical conditions or medications that may impact the efficacy or safety of a particular dietary approach [39].
- Physical activity: Incorporate physical activity preferences and goals into the overall weight management plan, as exercise is crucial in achieving and maintaining a healthy weight [72].
- Psychological factors: Address any emotional or psychological factors that may impact one’s relationship with food, such as stress, emotional eating, or a history of disordered eating [73].
Strategies for creating a tailored plan for managing obesity:
- Consult with a healthcare professional or registered dietitian: A healthcare professional or registered dietitian can provide personalised guidance on selecting a dietary approach and creating a tailored plan based on individual needs, preferences, and health goals [39].
- Set realistic goals: Establish short-term and long-term goals for weight loss and overall health improvement [74].
- Monitor progress and adjust as needed: Regularly assess weight loss progress, energy levels, and overall well-being to evaluate the effectiveness of the tailored plan. Adjustments may be necessary to address any challenges or achieve desired results [75].
- Seek social support: Engage family members, friends, or support groups to help stay motivated and accountable throughout the weight management journey [76].
- Practice self-compassion and patience: Recognize that setbacks may occur, and treat oneself with kindness and understanding when faced with challenges. Remember that sustainable weight loss and health improvements take time and persistence [77].
Conclusion
In conclusion, managing obesity effectively requires a multifaceted approach that includes a variety of dietary strategies. Plant-based diets [48], intermittent fasting [56], portion control and mindful eating [62], and tailoring a dietary approach to individual needs [69] all offer potential benefits for weight management and overall health.
Each approach has unique features; they share common elements, such as emphasising whole, nutrient-dense foods and promoting a healthy relationship with food.
There is no one-size-fits-all solution for obesity management, and individual preferences, lifestyle factors, and health considerations should be considered when selecting a dietary approach [68].
Consulting with healthcare professionals or registered dietitians can provide valuable guidance in creating personalised plans [39].
Incorporating regular physical activity [72] and seeking social support [76] can further enhance the success of any weight management program.
By tailoring Dietary approaches to individual needs, individuals can achieve and maintain a healthy weight, improve overall health, and enhance their quality of life.
References
- World Health Organization. (2021). Obesity and overweight. Retrieved from https://www.who.int/news-room/fact-sheets/detail/obesity-and-overweight
- Puhl, R. M., & Heuer, C. A. (2010). Obesity stigma: important considerations for public health. American Journal of Public Health, 100(6), 1019-1028.
- Vallis, M., & Currie, L. (2017). Obesity coaching: a comprehensive guide for health professionals. Canadian Journal of Diabetes, 41(6), 609-616.
- Shilts, M. K., Horowitz, M., & Townsend, M. S. (2004). Goal setting as a strategy for dietary and physical activity behavior change: a review of the literature. American Journal of Health Promotion, 19(2), 81-93.https://pubmed.ncbi.nlm.nih.gov/15559708/
- Kivela, K., Elo, S., Kyngas, H., & Kaariainen, M. (2014). The effects of health coaching on adult patients with chronic diseases: a systematic review. Patient Education and Counseling, 97(2), 147-157.
- Annesi, J. J., & Gorjala, S. (2010). Relations of self-regulation and self-efficacy for exercise and eating and BMI change: a field investigation. Biopsychosocial Medicine, 4(1), 10.https://psycnet.apa.org/record/2010-20726-001
- Fildes, A., Charlton, J., Rudisill, C., Littlejohns, P., Prevost, A. T., & Gulliford, M. C. (2015). Probability of an obese person attaining normal body weight: cohort study using electronic health records. American Journal of Public Health, 105(9).
- Wing, R. R., & Phelan, S. (2005). Long-term weight loss maintenance. The American Journal of Clinical Nutrition, 82(1), 222S-225S.https://pubmed.ncbi.nlm.nih.gov/16002825/
- Clark, M. M., Bradley, K. L., Jenkins, S. M., Mettler, E. A., Larson, B. G., Preston, H. R., … & Vickers Douglas, K. S. (2014). The effectiveness of wellness coaching for improving quality of life. Mayo Clinic Proceedings, 89(11), 1537-1544.
- Laitner, M. H., Minski, S. A., & Perri, M. G. (2016). The role of self-monitoring in the maintenance of weight loss success. Eating Behaviors, 21, 193-197.
- Knowler, W. C., Barrett-Connor, E., Fowler, S. E., Hamman, R. F., Lachin, J. M., Walker, E. A., & Nathan, D. M. (2002). Reduction in the incidence of type 2 diabetes with lifestyle intervention or metformin. New England Journal of Medicine, 346(6), 393-403.
- Franz, M. J., VanWormer, J. J., Crain, A. L., Boucher, J. L., Histon, T., Caplan, W., … & Pronk, N. P. (2007). Weight-loss outcomes: a systematic review and meta-analysis of weight-loss clinical trials with a minimum 1-year follow-up. Journal of the American Dietetic Association, 107(10), 1755-1767.https://pubmed.ncbi.nlm.nih.gov/17904936/
- Volek, J. S., & Phinney, S. D. (2011). The Art and Science of Low Carbohydrate Living: An Expert Guide to Making the Life-Saving Benefits of Carbohydrate Restriction Sustainable and Enjoyable. Beyond Obesity LLC.
- Mansoor, N., Vinknes, K. J., Veierød, M. B., & Retterstøl, K. (2016). Effects of low-carbohydrate diets v. low-fat diets on body weight and cardiovascular risk factors: a meta-analysis of randomised controlled trials. British Journal of Nutrition, 115(3), 466479.
- Seidelmann, S. B., Claggett, B., Cheng, S., Henglin, M., Shah, A., Steffen, L. M., … & Solomon, S. D. (2018). Dietary carbohydrate intake and mortality: a prospective cohort study and meta-analysis. The Lancet Public Health, 3(9), e419-e428.
- Willett, W. C., Sacks, F., Trichopoulou, A., Drescher, G., Ferro-Luzzi, A., Helsing, E., & Trichopoulos, D. (1995). Mediterranean diet pyramid: a cultural model for healthy eating. The American Journal of Clinical Nutrition, 61(6), 1402S-1406S.
- Estruch, R., Ros, E., Salas-Salvadó, J., Covas, M. I., Corella, D., Arós, F., … & Lapetra, J. (2013). Primary prevention of cardiovascular disease with a Mediterranean diet supplemented with extra-virgin olive oil or nuts. New England Journal of Medicine, 368(25), 1279-1290.
- Melina, V., Craig, W., & Levin, S. (2016). Position of the Academy of Nutrition and Dietetics: vegetarian diets. Journal of the Academy of Nutrition and Dietetics, 116(12), 1970-1980.
- Barnard, N. D., Levin, S. M., & Yokoyama, Y. (2015). A systematic review and meta-analysis of changes in body weight in clinical trials of vegetarian diets. Journal of the Academy of Nutrition and Dietetics, 115(6), 954-969.
- Craig, W. J. (2009). Health effects of vegan diets. The American Journal of Clinical Nutrition, 89(5), 1627S-1633S.
- Patterson, R. E., & Sears, D. D. (2017). Metabolic effects of intermittent fasting. Annual Review of Nutrition, 37, 371-393.
- Varady, K. A. (2011). Intermittent versus daily calorie restriction: which diet regimen is more effective for weight loss? Obesity Reviews, 12(7), e593-e601.
- Tinsley, G. M., & La Bounty, P. M. (2015). Effects of intermittent fasting on body composition and clinical health markers in humans. Nutrition Reviews, 73(10), 661-674.
- National Heart, Lung, and Blood Institute. (1998). Clinical guidelines on the identification, evaluation, and treatment of overweight and obesity in adults: the evidence report. Obesity Research, 6, 51S-209S.
- Rolls, B. J. (2009). The relationship between dietary energy density and energy intake. Physiology & Behavior, 97(5), 609-615.
- Heymsfield, S. B., & Wadden, T. A. (2017). Mechanisms, Pathophysiology, and Management of Obesity. New England Journal of Medicine, 376(3), 254-266.
- Raynor, H. A., & Champagne, C. M. (2016). Position of the Academy of Nutrition and Dietetics: interventions for the treatment of overweight and obesity in adults. Journal of the Academy of Nutrition and Dietetics, 116(1), 129-147.
- Dennis, E. A., Dengo, A. L., Comber, D. L., Flack, K. D., Savla, J., Davy, K. P., & Davy, B. M. (2010). Water consumption increases weight loss during a hypocaloric diet intervention in middle-aged and older adults. Obesity, 18(2), 300-307.
- Swift, D. L., Johannsen, N. M., Lavie, C. J., Earnest, C. P., & Church, T. S. (2014). The role of exercise and physical activity in weight loss and maintenance. Progress in Cardiovascular Diseases, 56(4), 441-447.
- Westman, E. C., Yancy, W. S., Mavropoulos, J. C., Marquart, M., & McDuffie, J. R. (2008). The effect of a low-carbohydrate, ketogenic diet versus a low-glycemic index diet on glycemic control in type 2 diabetes mellitus. Nutrition & Metabolism, 5(1), 36.
- Paoli, A. (2014). Ketogenic diet for obesity: friend or foe? International Journal of Environmental Research and Public Health, 11(2), 2092-2107.
- Gibson, A. A., Seimon, R. V., Lee, C. M. Y., Ayre, J., Franklin, J., Markovic, T. P., … & Sainsbury, A. (2015). Do ketogenic diets really suppress appetite? A systematic review and meta‐analysis. Obesity Reviews, 16(1), 64-76.
- Seidelmann, S. B., Claggett, B., Cheng, S., Henglin, M., Shah, A., Steffen, L. M., … & Solomon, S. D. (2018). Dietary carbohydrate intake and mortality: a prospective cohort study and meta-analysis. The Lancet Public Health, 3(9), e419-e428.
- Leidy, H. J., Clifton, P. M., Astrup, A., Wycherley, T. P., Westerterp-Plantenga, M. S., Luscombe-Marsh, N. D., … & Mattes, R. D. (2015). The role of protein in weight loss and maintenance. The American Journal of Clinical Nutrition, 101(6), 1320S-1329S.
- Guasch-Ferré, M., & Hu, F. B. (2019). Are fruit juices just as unhealthy as sugar-sweetened beverages? Journal of the American College of Cardiology, 73(20), 2575-2578.
- Slavin, J. L., & Lloyd, B. (2012). Health benefits of fruits and vegetables. Advances in Nutrition, 3(4), 506-516.
- Phinney, S. D. (2004). Ketogenic diets and physical performance. Nutrition & Metabolism, 1(1), 2.
- Willett, W. C., Sacks, F., Trichopoulou, A., Drescher, G., Ferro-Luzzi, A., Helsing, E., & Trichopoulos, D. (1995). Mediterranean diet pyramid: a cultural model for healthy eating. The American Journal of Clinical Nutrition, 61(6), 1402S-1406S.
- Bach-Faig, A., Berry, E. M., Lairon, D., Reguant, J., Trichopoulou, A., Dernini, S., … & Serra-Majem, L. (2011). Mediterranean diet pyramid today. Science and cultural updates. Public Health Nutrition, 14(12A), 2274-2284.
- Sofi, F., Macchi, C., Abbate, R., Gensini, G. F., & Casini, A. (2014). Mediterranean diet and health status: an updated meta-analysis and a proposal for a literature-based adherence score. Public Health Nutrition, 17(12), 2769-2782.
- Ye,E. Q., Chacko, S. A., Chou, E. L., Kugizaki, M., & Liu, S. (2012). Greater whole-grain intake is associated with lower risk of type 2 diabetes, cardiovascular disease, and weight gain. The Journal of Nutrition, 142(7), 1304-1313.
- Schwingshackl, L., Hoffmann, G., Lampousi, A. M., Knüppel, S., Iqbal, K., Schwedhelm, C., … & Boeing, H. (2017). Food groups and risk of type 2 diabetes mellitus: a systematic review and meta-analysis of prospective studies. European Journal of Epidemiology, 32(5), 363-375.
- Satija, A., & Hu, F. B. (2018). Plant-based diets and cardiovascular health. Trends in Cardiovascular Medicine, 28(7), 437-441.
- Melina, V., Craig, W., & Levin, S. (2016). Position of the Academy of Nutrition and Dietetics: vegetarian diets. Journal of the Academy of Nutrition and Dietetics, 116(12), 1970-1980.
- Kahleova, H., Levin, S., & Barnard, N. (2017). Cardio-metabolic benefits of plant-based diets. Nutrients, 9(8), 848.
- Messina, V. (2014). Nutritional and health benefits of dried beans. The American Journal of Clinical Nutrition, 100(suppl_1), 437S-442S.
Pawlak, R., Parrott, S. J., Raj, S., Cullum-Dugan, D., & Lucus, D. (2013). How prevalent is vitamin B12 deficiency among vegetarians? Nutrition Reviews, 71(2), 110-11
Patterson, R. E., & Sears, D. D. (2017). Metabolic effects of intermittent fasting. Annual Review of Nutrition, 37, 371-393.
Varady, K. A. (2011). Intermittent versus daily calorie restriction: which diet regimen is more effective for weight loss? Obesity Reviews, 12(7), e593-e601.
De Cabo, R., & Mattson, M. P. (2019). Effects of intermittent fasting on health, aging, and disease. New England Journal of Medicine, 381(26), 2541-2551.
Johnstone, A. (2015). Fasting for weight loss: an effective strategy or latest dieting trend? International Journal of Obesity, 39(5), 727-733
Anton, S. D., Moehl, K., Donahoo, W. T., Marosi, K., Lee, S. A., Mainous, A. G., … & Mattson, M. P. (2018). Flipping the metabolic switch: understanding and applying the health benefits of fasting. Obesity, 26(2), 254-268.
Young, L. R., & Nestle, M. (2002). The contribution of expanding portion sizes to the US obesity epidemic. American Journal of Public Health, 92(2), 246-249
Kristeller, J. L., & Wolever, R. Q. (2011). Mindfulness-based eating awareness training for treating binge eating disorder: the conceptual foundation. Eating Disorders, 19(1), 49-61
Van Dyck, Z., Herbert, B. M., Happ, C., Kleveman, G. V., & Vögele, C. (2016). German version of the intuitive eating scale: Psychometric evaluation and application to an eating disordered population. Appetite, 105,498-507.
Wansink, B., & van Ittersum, K. (2007). Portion size me: downsizing our consumption norms. Journal of the American Dietetic Association, 107(7), 1103-1106.
Zuraikat, F. M., Roe, L. S., Privitera, G. J., & Rolls, B. J. (2018). Increasing the portion size of a sandwich increases energy intake. Appetite, 121, 61-68.
- Robinson, E., Aveyard, P., Daley, A., Jolly, K., Lewis, A., Lycett, D., & Higgs, S. (2013). Eating attentively: a systematic review and meta-analysis of the effect of food intake memory and awareness on eating. The American Journal of Clinical Nutrition, 97(4), 728-742.
- Ruffault, A., Czernichow, S., Hagger, M. S., Ferrand, M., Erichot, N., Carette, C., … & Flahault, C. (2017). The effects of mindfulness training on weight-loss and health-related behaviors in adults with overweight and obesity: A systematic review and meta-analysis. Obesity Research & Clinical Practice, 11(5 Suppl 1), 90-111.
- Dansinger, M. L., Gleason, J. A., Griffith, J. L., Selker, H. P., & Schaefer, E. J. (2005). Comparison of the Atkins, Ornish, Weight Watchers, and Zone diets for weight loss and heart disease risk reduction: a randomized trial. Jama, 293(1), 43-53.
- Gardner, C. D., Trepanowski, J. F., Del Gobbo, L. C., Hauser, M. E., Rigdon, J., Ioannidis, J. P. A., … & King, A. C. (2018). Effect of low-fat vs low-carbohydrate diet on 12-month weight loss in overweight adults and the association with genotype pattern or insulin secretion: the DIETFITS randomized clinical trial. Jama, 319(7), 667-679.
- Farrow, C. V., Hay craft, E., & Blissett, J. M. (2015). Teaching our children when to eat: how parental feeding practices inform the development of emotional eating—a longitudinal experimental design. The American Journal of Clinical Nutrition, 101(5), 908-913.
- Ma, Y., Olendzki, B. C., Wang, J., Persuitte, G. M., Li, W., Fang, H., … & Pagoto, S. L. (2015). Single-component versus multicomponent dietary goals for the metabolic syndrome: a randomized trial. Annals of Internal Medicine, 162(4), 248-257.
- Swift, D. L., Johannsen, N. M., Lavie, C. J., Earnest, C. P., & Church, T. S. (2014). The role of exercise and physical activity in weight loss and maintenance. Progress in Cardiovascular Diseases, 56(4), 441-447.
- Van Strien, T. (2018). Causes of emotional eating and matched treatment of obesity. Current Diabetes Reports, 18(4), 18-25.
- Santos, I., Sniehotta, F. F., Marques, M. M., Carraça, E. V., & Teixeira, P. J. (2017). Prevalence of personal weight control attempts in adults: a systematic review and meta-analysis. Obesity Reviews, 18(1), 32-50.
- LeBlanc, E. S., Patnode, C. D., Webber, E. M., Redmond, N., Rushkin, M., & O’Connor, E. A. (2018). Behavioral and pharmacotherapy weight loss interventions to prevent obesity-related morbidity and mortality in adults: updated evidence report and systematic review for the US Preventive Services Task Force. Jama, 320(11), 1172-1191.
- Gorin, A. A., Wing, R. R., Fava, J. L., Jakicic, J. M., Jeffery, R., West, D. S., … & Tate, D. F. (2008). Weight loss treatment influences untreated spouses and the home environment: evidence of a ripple effect. International Journal of Obesity, 32(11), 1678-1684.
- Katterman, S. N., Kleinman, B. M., Hood, M. M., Nackers, L. M., & Corsica, J. A. (2014). Mindfulness meditation as an intervention for binge eating, emotional eating, and weight loss: a systematic review. Eating Behaviors, 15(2), 197-204.
