Below is a quote included in the AP story on Floyd Landis.
Testosterone is included as an anabolic steroid on WADA’s list of banned substances, and its use can be punished by a two-year ban.
Testosterone can build muscle and improve recovery time when used over a period of several weeks, said Dr. Gary Wadler, a member of the World Anti-Doping Agency and a spokesman for the American College of Sports Medicine. But if Landis had been a user, his earlier urine tests during the tour would have been affected, he said.
“So something’s missing here,” Wadler said. “It just doesn’t add up.”