As Aging Brain’s Internal Clock Fades, A New Timekeeper May Kick In

As Aging Brain’s Internal Clock Fades, A New Timekeeper May Kick In

Ever notice the catnaps that older relatives take in the middle of the day? Or how grandparents tend to be early risers?

You’re not alone. Colleen McClung did, too. A neuroscientist at the University of Pittsburgh Medical Center, McClung wanted to know what was going on in the brain that changes people’s daily rhythms as they age.

We all have a set of so-called clock genes that keep us on a 24-hour cycle. In the morning they wind us up, and at night they help us wind down. A study out Monday in Proceedings of the National Academy of Sciences found that those genes might beat to a different rhythm in older folks.

Read more at: NPR Aging Brain