The testing of athletes for drugs to gain a competitive edge is relatively new to professional and Olympic athletes. The granting of a special therapeutic-use exemption to competitive athletes is an even more recent phenomenon.
Countries all over the world have their own lists of edible items that are banned from being imported or consumed. While some of the foods banned in the U.S. may seem obvious -- like the deadly Japanese blowfish -- others might be quite surprising.
What do Lance Armstrong, Peyton Manning, Adrian Peterson, Tiger Woods, Michael Phelps and Bartolo Colon have in common? They've all allegedly had their blood composition modified, in ways legal or not.