Preventing the Body From Aging?

like the face. does the body age too? in whats ways?. and do procedures that are done on the face to make to look younger do we have to do on the body? if so. what kind of things?. also is having muscle tone something that prevents body ageing?. is it a bad thing not to go to the gym to ageing anti ageing purposes?.im just confused and worried because i wear spf take great care of my skin and am not fat at all. i just dont happen to go to the gym and excercise.

No doctor answers yet