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Drug Education

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Roy Cai

on 29 October 2012

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Transcript of Drug Education

How Smoking Causes Air Pollution There are more than 4000 chemicals in tobacco smoke. Many are poisonous and at least 43 can cause cancer. There are 3 major chemicals in tobacco smoke, which are:

Nicotine: which is a highly addictive drug. It is absorbed into the blood and affects the brain in less than 10 seconds.
Tar: which is a think and sticky substance and when inhaled, it sticks to the tiny hairs on the lungs, the cilia. These normally protect the lungs.
Carbon Monoxide: which is the poisonous chemical, that can be found in car exhaust fumes. It decreases the amount of oxygen in the blood. Because there’s less oxygen in the blood, it gets thicker and puts stain on the heart to pump. What’s in Tobacco Smoke? ^_^ By Roy Cai ^_^ 
♫ Enjoy ♫ Tobacco http://www.druginfo.adf.org.au/drug-facts/tobacco
http://www.medicalnewstoday.com/releases/9705.php Bibliography Short-term Effects
Increased appetite
A drop in blood pressure and pulse rate
Lack of concentration Long-term Effects
Increased risk of getting brain damage
Heart disease
High blood pressure
Shortness of breath
Stomach and bladder cancers
Early wrinkles
Impotence Effects Tobacco comes from the leaves of a tobacco plant. The tobacco leaves are dried and then combined with a bunch of other ingredients to produce cigarettes, cigars, pipe tobacco and chewing tobacco. Leaves from the tobacco plant contains nicotine, which is a highly addictive drug. Once we smoke, chew, or sniff tobacco, nicotine goes into our bloodstream, and makes our body wants more. The nicotine in the tobacco makes it a drug. This means that when we use tobacco, it changes our body in some way. Because nicotine is a stimulant, it speeds up the nervous system, so we feel like we have more energy. It also makes the heart beat faster and raises blood pressure. What is Tobacco?? Smoking causes air pollution and to some extent also pollutes the ground. There are about 4000 chemicals that are present in cigarettes, which are breathed out and released in the atmosphere. This is why that an enormous quantity of pollution is being released in the atmosphere every day. How smoking can effect your health Cigarette smoking harms your health by raising cholesterol levels and blood pressure, as well as the increased risk of cancer. It also destroys certain vitamins and creates the need of other specific nutrients.
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