What is the first stage in medical testing?

Following testing on animals how are drugs tested on humans ?

What is a double blind trial

What are statins used for ?

For what purposes was thalidomide originally developed?

What harmful effects did thalidomide have and why was this not noticed during the drug testing period?

What health problems can the misuse of the illegal recreational drugs ecstasy, cannabis and heroin lead to ?

What specific health problems can cannabis use cause ?

Which has more effect on health , illegal or legal drugs and why?

Describe the effects of drugs on the body

describe the use of drugs in sports

what is a placebo ?