Biology Key Words

DRUG

a chemical that changes the way our body ( or mind ) works.

Hypothesis

your prediction or answer to a problem or question

Placebo

A substance containing no medication. perscribed to reinforce a patients expectations to get well

side effect

a secondary usually unwanted effect.

Eg. sever headaches. Addiction. Mental Illness.

Recreational Drug

A drug taken for pleasure instead of for medical uses.

Medicinal Drug

a drug used to improve health or appearance

stimulant drug

Depressant Drug

makes you feel depressed. slows down reactions and process of thought due to chemical reactions within the nervous system.

A drug that lowers self asteem and slows down reactions and thoughts due to chemical changes within the nervous ststem

Hallucinogenic Drug

a drug with the effect of chemically changing your nervous system to make you see and think things that are not there.

Addiction

An addicted person is when the drugs have

chemically changed the processes within the

persons body and they cannot function

normally without the drug.

Steroids

an example of a steroid are muscle enhansers

Clinical Trials

the testing a drug has to go through before being able to be perscribed.