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Inter-relationships
Bl Topic 3
Effect of Drugs
Our bodies make many substances
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g
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Chemical substances that interfere with the chemicals the body makes or cause changes in the way
the body works are called drugs
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Some drugs, like antibiotics and paracetamol are medically useful, but many drugs are dangerous
if misused
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Some people get addicted to drugs and if they don't get it they
get withdrawal symptoms
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g
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Rehabilitation is a form of treatment where you get help and
support to ΓΌ-y and overcome an addiction
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The body gets
use to having the drug, so a higher dose is needed to give the same effect
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We group drugs by the effect they have on us
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T eofDru
Exam les
Depressants
Alcohol,
Effect on the bo
heroin and
barbiturates
Stimulants
Painkillers
Hallucinogens
Decrease the neurone activity in the brain
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The also hel us to relax
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This speeds up
reaction times and makes you more alert and awake
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Morphine and
heroin
Decrease tha feeling of pain by blocking some of the 'pain'
impulses alon neurones before the reach the brain,
LSD
Change the way the brain works by altering the pathways
nerve impulses usually travel along
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LSD distorts our senses
of colour, time and s ace