Alcohol, how behaviour changes when alcohol is introduced

Essay by Chirs GilhmereHigh School, 12th gradeA, January 1997

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How alcohol may affect human behaviour

4. A young man started behaving in an aggressive and abusive manner after he had a number of alcoholic drinks at a party. The next day he was behaving quite normally and was quite concerned when shown a video of his behaviour the previous night. Explain how alcohol may affect human behaviour.

Some Facts(1)

Australian industry loses more than one billion dollars a year because of sickness caused by alcohol.

Alcohol plays a part in more than 50% of serious crimes in Australia. In violent crimes it plays an even bigger part: more than 75% of them are linked to alcohol.

About half of the people killed in road accidents are killed because somebody has drunk to much.

Effects of alcohol on human behaviour

From the above facts it is clear that alcohol has a major impact on the lives of Australians. This is particularly more so because it is not illegal and because it is so widely used.

The effects of alcohol on a individual's body vary according to: (2)

with the amount consumed.

the way the alcohol is taken.

the individual's body (size weight, health).

the individual's experience.

the individual's mood.

the circumstance in which alcohol is consumed (with food, in a social gathering, with other drugs etc.)

The immediate effects of alcohol on an individual varies but can produce a wide range of effects including: (2)

Loss of inhibitions.

Flushing and dizziness.

General impairment of brain and nervous system functions.

General loss of co-ordination.

Impairment of motor (movement) skills.


Slow reactions.

Blurred vision and slurred speech.


General impairment of senses (e.g. touch, sight, speech, etc.)



Children and young people are usually more affected by alcohol than adults. This is because of their lower body weight and lack...