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(a) What effect does alcohol have on reaction time?
(b) What other short-term effects does alcohol have?
(c) What long-term effects can result from an excessive alcohol intake?
(a) Alcohol increases a person's reaction time (responses are slower).
(b) Alcohol causes vaso-dilation, enhance in self-confidence, reduction of accuracy and, in some people, irresponsible behaviour.
(c) Excessive intake of alcohol over a long period can injure the stomach, liver (cirrhosis of the liver), nervous system and brain. It might also be induce dependence (alcoholism).
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