India, Aug. 4 -- A new review published in the journal Cell Press Blue found that eating more protein is not always better. For many adults who are not very physically active, eating less protein may support healthier aging and could even help them live longer.

After reviewing more than 350 studies involving humans, mice, and other organisms, the researchers found that reducing protein intake may improve metabolism, change how cells respond to nutrients, reduce cell damage, and help cells function better. However, the benefits depend on a person's age, health, and activity level.

"It's absolutely crystal clear that there are benefits of protein to muscle growth and exercise response of active individuals," commented corresponding author D...