BIOLOGY - drugs and the human body
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what are illegal drugs classified on?
a scale from A to C
what are tobacco and alcohol classified as?
legal recreational drugs
what can antibiotics do?
they can stop the growth of bacteria
where are prescription drugs tested?
in clinical trials
what is a drug?
a drug is a substance taken into the body that modifies or affects chemical reactions in the body
what does a depressant do?
slows down nerve and brain activity
what is an example of a depressant?
alcohol, solvents, temazepam
what does a hallucinogen do?
alters what we see and hear
what is an example of a hallucinogen?
LSD
what does a painkiller do?
blocks nerve impulses
what is an example of a painkiller?
aspirin and paracetamol
what does a performance enhancer do?
improves muscle development
what is an example of a performance enhancer?
anabolic steroids
what does a stimulant do?
increases nerve and brain activity
what is an example of a stimulant?
nicotine, caffeine, ecstasy