The newly minted junior record holder in the 100 meters is suspected of doping

Eighteen-year-old sprinter Issamade Asinga from Suriname, who ran the junior 100m world record in July, has failed a doping test and is suspended. The Athletics Integrity Unit (AIU) announced today that he had tested positive for the banned substance GW1516, which affects how the body processes fat. The World Anti-Doping Agency considers it a health risk.