Oxytocin stimulates repair of old mice’s muscles

Naturally produced hormone, well known for its role in social bonding, could help heal injuries in the elderly

LOVE YOUR MUSCLES  Old mice have trouble repairing their muscles after an injury (center, black shows missing muscle cells). The “love hormone” oxytocin helps old mice (right) regenerate muscle tissue as well as young mice (left) do. Muscle proteins are stained in red, DNA in blue.

C. Elabd and W. Cousin

The “love hormone” does more than trigger labor and cement emotional ties between people.