Cited by 661Obesity, Physical Activity, DietObesity and Health PracticesPharmacology and Obesity Treatment

Lifestyle modification approaches for the treatment of obesity in adults.

Open access
Wadden, Thomas A., Tronieri, Jena S., Butryn, Meghan L.·2020·American Psychologist

Abstract

The U.S. Preventive Services Task Force has recommended that primary care clinicians screen all adults for obesity and provide those affected intensive multicomponent behavioral interventions. Approximately 95 million U.S. adults qualify for such care, also referred to as lifestyle modification. Using the Guidelines (2013) for Managing Overweight and Obesity in Adults (hereafter, Obesity Guidelines) as a framework, this article reviews the principal components of comprehensive lifestyle modification, which include diet, physical activity, and behavior therapy. To lose weight, the Obesity Guidelines recommend participation for 6 months in high-intensity programs that provide 14 or more counseling sessions with a trained interventionist. When provided face-to-face individual or group treatment, participants lose up to 8 kg (8% of weight) in 6 months and experience improvements in cardiovascular disease risk factors and quality of life. To prevent weight regain, the Obesity Guidelines recommend participation for 1 year in weight-loss-maintenance programs that provide at least monthly counseling. High levels of physical activity, frequent monitoring of body weight, and consumption of a reduced-calorie diet are associated with long-term weight loss. Investigators currently are seeking to increase the availability of lifestyle modification by delivering it in community-based programs, as well as on digital platforms (e.g., Internet and Smartphone). Digitally delivered programs lower costs and expand treatment reach; their efficacy is likely to improve further with the addition of new technologies for monitoring food intake, activity, and weight. Ultimately, to improve long-term weight management, individual lifestyle counseling must be joined with collective and institutional efforts to improve the nation's eating and activity environments. (PsycINFO Database Record (c) 2020 APA, all rights reserved).

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  • The main drivers for weight regain after significant weight loss include persistence of a lower resting metabolic rate and increased appetite, possibly mediated through long-lasting increased orexigenic and decreased anorexigenic signals.

    “The main drivers for weight regain after significant WL include the persistence of a lower resting metabolic rate and the increased appetite, possibly mediated through long lasting increased orexigenic and decreased anorexigenic signals [2, 6].”

    From What is the pipeline for future medications for obesity? (2025) · cites this paper as [6]

    The Weight Loss Maintenance section identifies reduced resting metabolic rate and appetite-related hormonal changes that may increase hunger as contributors to weight regain. It also identifies other contributors; it does not establish these two as the main drivers or specify long-lasting increases in orexigenic signals and decreases in anorexigenic signals. No page number was provided for the indexed passage. (LLM, conf=0.84)

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  • Following diet and exercise interventions, patients typically regain nearly 33% of the weight they initially lost within the first year.

    “Following diet and exercise interventions, patients typically regain nearly 33% of the weight they initially lost within the first year [35].”

    From Efficacy and safety of once-weekly tirzepatide for weight management compared to placebo: An updated systematic review and meta-analysis including the latest SURMOUNT-2 trial (2024) · cites this paper as [35]

    The Weight Loss Maintenance section says lifestyle-modification participants typically regain one-third of their lost weight in the year following treatment, matching the amount and timing claimed. It qualifies this as occurring “without further intervention,” a condition the citing sentence omits; the same section reports that maintenance programs reduce regain. No page number is provided in our copy. (LLM, conf=0.88)

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  • Structured lifestyle modification programs can be effective and feasible to help achieve a 5%-10% weight reduction and maintain a healthy body weight for many people.

    “Although all causes and contributors of obesity are not within an individual's control, structured lifestyle modification programs can be effective and feasible to help achieve a 5%–10% weight reduction and maintain a healthy body weight for many people [91, 92, 93].”

    From Nutritional priorities to support <scp>GLP</scp> ‐1 therapy for obesity: A joint Advisory from the American College of Lifestyle Medicine, the American Society for Nutrition, the Obesity Medicine Association, and The Obesity Society (2025) · cites this paper as [91]

    The Conclusion (page unavailable) says high-intensity lifestyle programs can help people with overweight or obesity lose 5–10% of initial weight. The weight-loss-maintenance section (page unavailable) reports that some participants sustained a loss of at least 5%, but it does not establish that they reached or maintained a healthy body weight. The Conclusion also identifies access and long-term maintenance as pressing challenges, qualifying the claim of feasibility. (LLM, conf=0.86)

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  • A high-intensity lifestyle program allows mean reductions of 5% to 8% of total body weight.

    “Compared to baseline, a high-intensity lifestyle program allows mean reductions of 5% to 8% of total body weight, along with improvement in cardio-renal-metabolic comorbidities (Wadden et al, 2020;Boutari et al, 2023).”

    From Emerging pharmacotherapies for obesity: A systematic review (2025) · cites this paper as Wadden et al, 2020

  • Poor adherence to anti-osteoporosis medication appears to be explained, at least in part, by a lack of awareness that osteoporosis is a major risk factor for fracture and by beliefs that osteoporosis is not serious or that medication risks outweigh benefits.

    “Poor adherence to anti-osteoporosis medication appears to be explained, at least in part, by a lack of awareness that osteoporosis is a major risk factor for fracture [6], and beliefs that osteoporosis is not a serious health condition and/or that the risks of anti-osteoporosis medications outweigh their benefits [7, 8].”

    From Feasibility and effectiveness of a digital voice assistant for improving anti-osteoporosis medication adherence, and osteoporosis knowledge and attitudes, in postmenopausal women with osteoporosis: A 12-month randomised controlled trial (2025) · cites this paper as [8]

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Research works printed but not linked: 5

  1. Downey M, & Kyle TK (2018). Coverage of obesity treatment: costs and benefits In Wadden TA & Bray GA (Eds.), Handbook of obesity treatment (2nd ed., pp. 425– 436). New York: Guilford Press.
  2. Gregg EW, & Flores MR (2018). The impact of intentional weight loss on major morbidity and mortality In Wadden TA & Bray GA (Eds.), Handbook of obesity treatment (2nd ed., pp. 185– 207). New York: Guilford Press.
  3. Tronieri JS, & Wadden TA (2018). Behavioral assessment of patients with obesity In Wadden TA, & Bray GA (Eds.), Handbook of obesity treatment (2nd ed., pp. 253– 282). New York: Guilford Press.
  4. West DS, Krukowski RA, & Larsen CA (2018). Treatment of obesity in community settings In Wadden TA, & Bray GA (Eds.), Handbook of obesity treatment (2nd ed., pp. 492– 507). New York: The Guilford Press.
  5. World Health Organization. (1998). Obesity: Preventing and managing the global epidemic (Publication No. WHO/NUT/NCD/98.1). Geneva: Author. 11234459

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Authors
Wadden, T. A., Tronieri, J. S., & Butryn, M. L.
Affiliations
  • University of Pennsylvania (US)
  • Drexel University (US)
Venue
American Psychologist
Published
2020-02
Volume
75
Issue
2
Pages
235-251
ISSN
  • 0003-066X (ISSN-L)
  • 1935-990X
OpenAlex
W3005953879
Cited by
661
References
83
Citations by year
2026: 115 · 2025: 180 · 2024: 171 · 2023: 85 · 2022: 56 · 2021: 36 · 2020: 18
FWCI
36.49
Type
journal article
Language
en
Open access
Locations
  • American Psychologist (publishedVersion, other-oa)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health (K23DK116935)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
  • Health Sciences › Health Professions › Pharmacy › Obesity and Health Practices
  • Health Sciences › Medicine › Pharmacology › Pharmacology and Obesity Treatment
Keywords
obesity, lifestyle modification, behavioral weight loss, weight loss maintenance, diet, physical activity, behavior therapy, community-based programs, cardiovascular risk factors, weight regain prevention
MeSH terms
Behavior Therapy, Diet, Humans, Life Style, Obesity, United States, Weight Loss, Treatment Outcome

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