Alcohol and Tobacco

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Alcohol and Tobacco
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Alcohol

• Many people enjoy a drink
• But it is a drug because it changes the way the
  body works.
• It can be abused
• Drinking too much alcohol can lead to addiction.
• An alcoholic is someone who cannot get through
  life without drinking.

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What does alcohol do to the body?

• Alcohol slows down the bodys reactions
• It causes lack of co-ordination and judgement
• After a lot of alcohol a person can get slurred
  speech and the vision is affected.
• More alcohol causes stupor you do not know
  where you are or what you are doing.
• This can be followed by coma.

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Long term effects.

• Alcohol is a poison.
• Too much alcohol can cause cirrhosis of the
  liver.
• A person cannot live without a liver.
• Drinking over many years can cause brain damage.
• Excess drinking also increases the risk of
  cancer, heart disease, obesity, and high blood
  pressure.

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Tobacco

• Cigarette smoke contains
• Nicotine which is an addictive drug. It makes
  people feel calm.
• Tar which is a mixture of thousands of chemicals.
  Some of these cause cancer.
• Carbon monoxide which is a gas. This reduces the
  amount of oxygen the blood can carry. It makes
  smokers short of breath.

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What does tobacco do to the body?

• Nicotine makes the heart beat faster and narrows
  blood vessels. This can increase blood pressure
  and cause heart disease.
• Carbon monoxide is a poisonous gas that attaches
  to red blood cells instead of oxygen. So the
  blood carries less oxygen.
• Tar irritates the airways and makes them
  narrower. Some of the chemicals in tar cause
  cancer.

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Bronchitis and Emphysema

• Bronchitis is caused when the airways become
  inflamed and the cilia stop beating. The mucus ,
  tar dirt and germs stay in the air ways and
  lungs.
• Emphysema is caused when the air sacs in the
  lungs are damaged by smoke. This makes breathing
  very hard. People with this disease often need an
  oxygen cylinder to help them breath.

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Now try these exercises

• Exercise 9 Cloze
• Exercise 10 - Crossword