Science Assignment
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- Words: 196
- Pages: 9
By: Yvan Castro
SMOKING IS VERY DANGEROUS Smoking is dangerous because smoke contains more than four thousand poisonous substances which cause various diseases, even death.
Among these substances are cancer-producing substances, carbon monoxide, nicotine, etc.
Diseases Chronic bronchitis the smoke and the particulates irritate the bronchial tubes and the bronchioles.
Smoking causes other lung disease, heart and blood vessel disease, cancer, and other illness.
How does smoking cause heart and blood vessel disease?
• Smoking
is one of the major cause of heart disease.
The nicotine in tobacco smoke raises your blood pressure by constricting your blood vessels and making your heart work faster. Cigarette smoke contains carbon monoxide, a poisonous gas, which cuts down the oxygen reaching your heart by up to 15 percent.
• Nicotine promotes fat build-up damaging the walls of your arteries, and decreasing blood flow, resulting in heart disease and heart attack.
• Nineteen out of twenty people suffering from this disabling disease are cigarette smokers.
Everyday, around 1000 Americans are dying because of smoking.
This makes clear that smoking is one of the major causes of death in the US and many other countries.
SMOKING IS VERY DANGEROUS Smoking is dangerous because smoke contains more than four thousand poisonous substances which cause various diseases, even death.
Among these substances are cancer-producing substances, carbon monoxide, nicotine, etc.
Diseases Chronic bronchitis the smoke and the particulates irritate the bronchial tubes and the bronchioles.
Smoking causes other lung disease, heart and blood vessel disease, cancer, and other illness.
How does smoking cause heart and blood vessel disease?
• Smoking
is one of the major cause of heart disease.
The nicotine in tobacco smoke raises your blood pressure by constricting your blood vessels and making your heart work faster. Cigarette smoke contains carbon monoxide, a poisonous gas, which cuts down the oxygen reaching your heart by up to 15 percent.
• Nicotine promotes fat build-up damaging the walls of your arteries, and decreasing blood flow, resulting in heart disease and heart attack.
• Nineteen out of twenty people suffering from this disabling disease are cigarette smokers.
Everyday, around 1000 Americans are dying because of smoking.
This makes clear that smoking is one of the major causes of death in the US and many other countries.
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