Letters to the Editor 19804 Share this: Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print By Science News March 7, 2007 at 11:49 am What were the ages of the people in the study? Henry Dieter WeinschelLas Cruces, N.M. The participants, whose muscle cells showed several more-youthful signs if they ate fewer calories, were 35 to 38 years old. —P. Barry