Drugs
EPO
Increases O2 to muscles and reduces fatigue
Beta Blockers
BUT thicker blood and cardiac arrest
Used by cyclists, marathon runners, aerobic athletes
Steroids
Promotes protein production and muscle growth
BUT causes cardiac arrest
Used by high power athletes, boxers, shotput
Relaxer, lowers heart rate
BUT low heart rate, reduces effect of adrenaline, death
Used by precision athletes, archery, darts
Caffeine
Increases mental awareness, delays fatigue, quicker reaction times
BUT addictive, insomnia, stomach problems, diuretic, increases blood pressure
Used by sprinters (quicker at start line)
Creatine
Lengthens ATP-PC System, aids recovery, longer performance
BUT dehydration, muscle cramps, stress on organs
Used by marathon runners (delays Lactic Acid System)
Protein Supplement
Increases amino acids, muscle mass and power
BUT stress on liver and kidneys (organs that process proteins)
Used by strength athletes, weight lifters, rugby, field events