Study: Intermittent Fasting No Better Than Regular Diets
The review analyzed 22 trials with 1,995 adults and found intermittent fasting offers no clinically meaningful weight loss advantage over standard calorie-restricted diets, per Cochrane authors.
- Published Monday, the Cochrane analysis found intermittent fasting may result in little to no difference in weight loss compared with regular advice or doing nothing.
- Surging public interest in IF has grown in recent years, fueled by social media and lifestyle influencers, prompting researchers to assess it amid obesity as a major public‑health challenge.
- The review pooled 22 randomised controlled trials involving 1,995 adults aged 18–80 across North America, Europe, China, Australia and South America, but most trials lasted up to 12 months with inconsistent side-effect reporting.
- Review authors warned results cannot be extrapolated due to variation by sex, age, ethnicity and health, so doctors advising overweight adults should take a case-by-case approach given short-term trials.
- To fill evidence gaps, the authors recommend future trials with longer follow-up and better reporting in low- and middle-income countries, including participant satisfaction and diabetes status, while experts urged that exercise and weight-loss medications support population-level obesity strategies.
71 Articles
71 Articles
Intermittent fasting fails to beat standard dieting for weight loss
Intermittent fasting has become one of the most talked-about weight loss trends in recent years, promising dramatic results with simple changes to when you eat. But a major Cochrane review suggests the reality may be far less exciting. After analyzing 22 clinical trials involving nearly 2,000 adults, researchers found that intermittent fasting did not produce significantly more weight loss than standard diet advice or even no structured plan at …
Intermittent fasting may be no better than 'doing nothing,' major review finds
A weight-loss study finds intermittent fasting barely more effective than doing nothing for overweight adults — with researcher Luis Garegnani saying the evidence doesn't justify hype.
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