The letters PED stand for

A synthetic, addictive, mood-altering drug, used illegally as a stimulant and legally as a prescription drug to treat children with ADD and adults with narcolepsy is the definition for .

Hormones used medicinally to treat some forms of weight loss and (illegally) by some athletes and others to enhance physical performance are .

A secret plan by a group to do something unlawful or harmful is called a .

To administer drugs to an athlete in order to inhibit or enhance sporting performance is called .