Written By Emily Kumlien

A 2009 image of rhesus monkeys in a landmark study of the benefits of caloric restriction. The 27-year-old monkey on the left was given a diet with fewer calories while the 29-year-old monkey on the right was allowed to eat as much as it liked. Both animals have since died of natural causes. Photo credit: Jeff Miller

Settling a persistent scientific controversy, a long-awaited report shows that restricting calories does indeed help rhesus monkeys live longer, healthier lives.

A remarkable collaboration between two competing research teams — one from the University of Wisconsin–Madison and one from the National Institute on Aging — is the first time the groups worked together to resolve one of the most controversial stories in aging research. Read more.

Published by University of Wisconsin – Madison January 17, 2017