WDAY: The News Leader

Published November 19, 2012, 12:00 AM

Mid-Life Ape Crisis

In this Feb. 1, 2011 file photo, chimpanzees sit in an enclosure at the Chimpanzee Eden rehabilitation center, near Nelspruit, South Africa. A study of chimps and orangutans released on Monday, Nov. 19, 2012, finds the same pattern of changes in happiness through life as many studies find in people. (AP Photo/Erin Conway-Smith, File)
Read the article: Even apes have 'midlife crises,' study finds