Me with this. i need to saw this information in my own words.
a single puff of tobacco smoke...
English, 25.09.2019 15:00 inesperezferrere
Me with this. i need to saw this information in my own words.
a single puff of tobacco smoke contains more than 4,000 chemicals. almost all of these chemicals prevent the body from functioning the way it should. at least 43 of them cause cancer in smokers. in the united states more than 400,000 people die each year as a result of smoking-related illnesses. smoke also harms the health of nonsmokers. even smokeless tobacco causes health problems for its users.
tobacco contains three substances that are especially harmful to health. nicotine ( nik-uh-teen) is an addictive drug found in tobacco. nicotine makes tobacco users crave even more nicotine. tar is a thick, dark liquid that forms when tobacco burns. this liquid coats the lining of the lungs and causes diseases. carbon monoxide (kar-buhn muh-nahk-syd) is a colorless, odorless, poisonous gas produced when tobacco burns. tobacco smoke from a cigarette, cigar, or pipe contain all of these substances.
tobacco has harmful effects on almost all body systems. tobacco smoke damages the alveoli (al-vee-oh-ly), fragile, elastic, microscopic air sacs in the lungs where carbon dioxide from the air are exchanged. this damage may lead to emphysema (em-fuh-zee-muh), a disease that destroys alveoli.
all forms of tobacco increase the risk of cavities and gum disease. tobacco dulls the taste buds and can cause stomach ulcers. tobacco use is linked to cancer of the mouth, throat, esophagus, stomach, and pancreas. it is also linked to heart disease.
tobacco use reduces the flow of oxygen to the brain, which can lead to a stroke. smokers have at twice the risk of developing bladder cancer as nonsmokers. smokeless tobacco can also put users at risk of developing bladder cancer.
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