"Intermittent fasting may not help people who are overweight or obese lose weight, a large review suggests. The researchers say the popular practice of fasting on some days of the week and eating normally on others "may make little to no difference to weight loss and quality of life". But they say intermittent fasting could still improve overall health through helpful changes to some body functions, though more evidence is needed."
"Compared to giving people traditional advice on dieting, such as reducing calorie intake and eating more healthily, the review found intermittent fasting made little to no difference to people's weight loss or quality of life. Compared to those offered no advice or who were waiting for advice on weight loss, it also made little to no difference, although its affect on quality of life was not clear."
Researchers reviewed 22 studies involving nearly 2,000 adults to assess short-term intermittent fasting (up to 12 months). Intermittent fasting approaches included time-restricted eating, alternate-day fasting, and periodic fasting such as the 5:2 diet. Compared with standard dietary advice or no advice, intermittent fasting made little to no difference to weight loss. The effect on quality of life was similarly minimal compared with standard advice and unclear compared with no advice. Many trials were small and used less robust methods, reducing confidence in some findings. Intermittent fasting may still change some physiological markers, but stronger evidence is required.
Read at www.bbc.com
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