They take your blood - usually 90 - 95% and test it for drugs
so that sports teams don't get high on drugs.
A lot of sports these days will require drug testing at some time or another. It is never a good idea to take non-prescription drugs, and especially not if the sport/league/team you are on has a strict policy against it.
steroids
Drugs slower the nervous system.
A previous answerer wrote xanax, valium, mushrooms, acid. Any of these can be found with thorough testing. If you are subject to drug testing, just don't do drugs.
this governing body is NOT involved with approving, testing, and controlling new drugs
Drugs in sports came around 1970.
steriods
steroids
ROIDS
Yes, because there are alot pro players that use drugs, like steroids to be stronger. which gives a unfair advantge to the teams who can't afford the drugs or don't want them it makes the games fair and safe
steroids