Research
Mixed
Combined diet and exercise lifestyle interventions are more effective for weight loss than interventions containing only diet or only exercise components in adults with severe obesity.
If you have severe obesity, adding exercise to your diet changes will help you lose more weight than dieting alone. Look for programs that teach you how to eat better AND move more, as this combination works best.
ModerateSupportsMEDIUM confidence
Overall lifestyle interventions with combined diet and exercise components achieved the greatest mean weight loss.
Why this rating
Based on subgroup analysis of 17 RCTs, but heterogeneity prevents definitive meta-regression.
Source
Lifestyle interventions for weight loss in adults with severe obesity: a systematic review
Yasmeen Hassan et al. · Clinical Obesity · 2016
DOI 10.1111/cob.12161
systematic_review · n=7981Cited 104×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
Related findings · Mixed
- Bariatric surgery (VSG and RYGB) is the most effective and sustainable treatment for obesity, producing marked and sustained weight loss that non-surgical interventions cannot match.Strong
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- For patients with Class III obesity (BMI >39.9 kg/m2), metabolic bariatric surgery (MBS) is significantly more effective than any currently approved medication, with BilioPancreatic Diversion (BPD) showing the highest estimated weight loss.Strong
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