Table 6

 Adverse effects of “performance enhancing” drugs

DrugRelevant adverse effects
*Growth hormone obtained through internet sources may include human pituitary derived growth hormone, and so there is the theoretical risk of Creutzfeldt-Jacob disease.
Anabolic steroidsCardiovascular, including hypertension and presumably strokes
Growth hormone*Carpal tunnel
InsulinHypoglycaemia
ErythropoeitinHeadaches, encephalopathy, strokes, seizures
ClenbuterolTremor, headaches
Cocaine and amphetaminesAs earlier