running may the best way ,if you want to stay young.. The research by the university of colorado boulder and humbold state university proved that older adults who runs several times a week for expend about the same amount of energy as typical young boy.
The proff. Who led the experiment said that running keeps you younger interms of energy efficiency.
They said that young people who regularly do excercise and yoga activities had lower metabolic cost of walking than old people and also lower than seniors who regularly walk for excercise .
After study it said that walking every day has many positive effects .
So this my another post on health+...
Thank you .....