[Skip Intro] 0:07 Watch full episodes of Medical Frontiers on NHK WORLD-JAPAN! https://www3.nhk.or.jp/nhkworld/en/ondemand/program/video/medicalfrontiers/?cid=wohk-yt-2308-mf145-hp Watch more quality programs on NHK WORLD-JAPAN! https://www3.nhk.or.jp/nhkworld/en/ondemand/video/?cid=wohk-yt-2308-mf145-hp Emerging research may unlock the keys to reversing the effects of old age.