Firstly a scientist will proceed by checking whether the drug is corrosive or visibly reactive with a bodily fluid within the body. Then, animals are used as representations of living things, to see the affects it has on that specific animal. After tests on animals with similar bodily structures to humans (such as monkeys) humans are tested, again to see if any side affects are caused by the drug. After this, if all is showing positive results, scientists gather up humans with different conditions, diseases or illnesses such as Diabetes, and test the drug on them. If no Allergies or side affects are seen, the drug is safe and can be officially used in sergeries and on patients.
AIDS drugs are tested on people infected with the disease.
Experimental drugs and vaccines are tested on animals. Other medicines that are tested on animals include new cancer drugs and medicine for HIV.
Prositution
Not necessarily, sometimes this new technology has not been tested enough, or a combination of drugs can be fatal if not been tested. How many times have you seen drugs called back due to being very harmful on human beings?
Usually, players are randomly selected by the league to get tested for drugs at a random time.
the synthesis of new chemical chemical by chemists.
Yess all babies get tested for drugs wen they are first born.
yes, they should be tested
Athletes are tested for steroids and performance enhancers.
new medicines are tested to ensure that they work on the right aspect of what they are made for and to see if any side-effects can be harmful or worse, fatal, to human beings.
placebo
sniffer dogs from the police