India, Aug. 2 -- Protein has become the star nutrient in recent years, finding its way into everything from cereals and coffee to snacks and even protein-infused water. While high-protein diets are often promoted for muscle growth and weight management, a new scientific review suggests that consuming less protein may offer surprising health benefits, especially for people who lead a sedentary lifestyle.

Published on July 31 in the journal Cell Press Blue, the review analysed more than 350 studies on protein restriction and ageing. Researchers concluded that lowering protein intake may improve metabolic health, slow biological ageing and, in some cases, even extend lifespan. (Also read: Eggs score 10/10, quinoa just 4/10: Dietitian rates ...