By Isra Uz-Zaman, Genetics ’14 Cheating in sports in not a new phenomenon. In the modern era, numerous athletes participate in blood doping by injecting erythropoietin (EPO) into their blood to increase the amount of red blood cells and thus improve their athletic performance. EPO is a protein hormone produced by the kidney which stimulates the production of red blood cells when released into the bloodstream. Increased red blood production increases the amount of oxygen available in the body and boosts an athlete’s performance. Yannis Pitsiladis, a psychologist in Scotland, is at the forefront of developing anti-doping testing based on the genetic fingerprint left by drugs. Conventionally researches developed tests to find the drug, but Pitsiladis has taken another approach. He is developing a new generation of tests that will gather evidence from the doper’s own body.