Pedal away your wrinkles

Professor Mark Tarnopolsky, an exercise scientist at McMaster University in Ontario, recruited male volunteers aged 65 and older with normal skin for their age and asked half to jog or cycle three times a week at 65 percent their aerobic limit (a puffing but not exhaustive pace) for three months and half to do nothing.
Among the exercisers, the skin layers both resembled what scientists typically expect find in healthy 20 to 40yearolds.