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Tobacco


Cigarettes have a substance called tobacco, which is very harmful to our

health. Smoking can cause many different diseases due to the substances

it contains. It contains a substance called nicotine which makes cigarettes

very addictive.

 

It also contains carbon monoxide which combines with heamoglobin and

prevents oxygen entering red blood cells, this places extra pressure on the

heart to pump more blood around the body which can cause heart attacks

and stroke

 

It also contains tar which can cause many different kinds of cancer.

 

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