Sun has been cleared of wrongdoing by swimming's governing body FINA over his conduct during a random late-night drug test at his home in September last year, however, the World Anti-Doping Agency (WADA) has appealed to CAS against that ruling.
But while the sport is great for the body and the overall health, it can get pretty trying for the skin and hair. And if you don't follow certain dos and don'ts, then it can have damaging effects as well.
Sun Yang is competing at the world championships under the shadow of a World Anti-Doping Agency (WADA) appeal against governing body FINA's decision to clear the 27-year-old of wrongdoing during the random drug test last September.
In a race that Phelps watched online, Milak, 19, won in 1 minute 50.73 seconds, shattering the world record and becoming the first man not named Phelps to own it since 2001, a span of 18 years, 3 months and 24 days.