Science Spans Generations
USADA Chief Science Officer, Dr. Larry Bowers, & his son Dr. Geoff Bowers will both independently present at the American Chemical Society spring meeting.
Half-Life of a Drug
Determining the half-life of a drug depends on many variables, and it is extremely important that athletes understand the clearance times of medications.
Direct and Indirect Markers of Doping
There are different markers of doping used to identify the presence of a prohibited substance (or its metabolites) in the blood or urine of an athlete.
Selecting Athletes for Testing
Selecting Athletes for Testing USADA staff go to great lengths to develop an efficient and effective test distribution plan that allocates our resources intelligently. Factors
USADA Named a 2015 AVA Digital Awards Gold Winner
The U.S. Anti-Doping Agency (USADA) is proud to be a 2015 AVA Digital Awards Gold Winner.
Global DRO Day or Night
Global DRO is available day or night. If you find yourself at the pharmacy wondering what over-the-counter medicines you can take, USADA has an