‘When I walk up stairs, I get out of breath:’ Usain Bolt on how retirement made him feel human again

Eight-time Olympic champion Usain Bolt is human just like the rest of us, admitting retirement sees the famed sprinter now getting out of breath after walking up the stairs.

​ Eight-time Olympic champion Usain Bolt is human just like the rest of us, admitting retirement sees the famed sprinter now getting out of breath after walking up the stairs. Read More Breaking News, Latest News and Videos | CNN