Health key words

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SYNAPSE

Gaps between neurons that neurontransmitters pass across helping communication.

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SUBSTANCE MISUSE

Intake of drugs in quantities that are potentially damaging to physical/mental health.

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TOLERANCE

When a person is physically dependent on a drug and they have to take increasing amounts to gain the same effect they did previously.

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PSYCHOLOGICAL DEPENDENCE

Taking the drug becomes routine for the person, so they have to maintain drug use to gain pleasure, making withdrawal difficult due to habit.

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PHYSICAL DEPENDENCE

Change in neurochemistry in the brain which stubstitues normal functioning so the body requires the drug to make the person feel normal.

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WITHDRAWAL

Unpleasant physical effects when drug isn't taken by physical dependent drug users. Eg vomiting/headaches.

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