Physical activity is also important to strengthen your bones and muscles, which can slow the loss of bone density and help to maintain your muscle mass and strength as you get older.
Mae gweithgarwch corfforol hefyd yn bwysig i gryfhau eich esgyrn a'ch cyhyrau, gall arafu'r broses o golli cryfder yr esgyrn a helpu i gynnal màs a chryfder eich cyhyrau wrth ichi heneiddio.