Subscribe now
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

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

9 February 2023

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

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up
Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop