‘Love’ hormone makes old muscles new again

Oxytocin, a hormone associated with nurture and romance, can quickly repair muscles in older mice, new research shows.

"This is the hormone that makes your heart melt when you see kittens, puppies, and human babies," says Irina Conboy, associate professor of bioengineering at the University of California, Berkeley. "There is an ongoing joke among my research team that we’re all happy, friendly, and trusting because oxytocin permeates the lab."

by Sarah Yang-Berkeley

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