Does restricting calories slow down ageing? We simply don’t know

A test based on blood biomarkers suggests that calorie restriction slightly slows ageing, but the jury is out on whether the dieting strategy really works

Health


| Analysis

9 February 2023

In a trial, some participants were asked to reduce their calorie intake by 25 per cent every day. After two years, they showed signs of slowed biological ageing in one test, but not in others

In a trial, some participants were asked to reduce their calorie intake by 25 per cent every day. After two years, they showed signs of slowed biological ageing in one test, but not in others

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Permanently cutting calorie intake may slightly slow the rate at which we age, according to a new study based on one of the few randomised trials investigating this method. But while this may sound appealing, it could be too soon to draw firm conclusions from the study. The tests used to measure rates of ageing …

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