Board Thread:Episode Discussions/@comment-1181222-20171227115605/@comment-30323490-20171227133424

He still looks young, so he most likely didn't stop taking other's people bodies. That is if he actually requires anymore to take them, since his latest vessel was that white zetsu who has that healing and life force factor. So either way, old age wouldn't be a factor. And even if it would be, Chioat 70 + could fight Sasori. Oonoki was pushing 80 and was the most impressive out of the 5 Kage. For most legendary shinobi, age is just a number.