Calorie labels in supermarkets and restaurants have little impact on consumer choices, researchers found, fueling doubts about whether the practice is worth keeping.
The effect of the dietary information is a calorie reduction of about 1.8%, which amounts to removing two almonds from a 600-calorie meal, according to a review by the UK nonprofit Cochrane. The researchers aggregated results from 25 studies from countries including the US, UK and France.
A new generation of obesity drugs like