Science has discovered approximately poisonous gases in cigarette smoke. Also known as environmental tobacco smoke , secondhand smoke is a term used to describe cigarette smoke that comes from two sources—smoke that is exhaled by the smoker mainstream smoke and smoke produced by a smoldering cigarette sidestream smoke.
Secondhand smoke is known to contain at least poisonous chemicals and another 70 cancer-causing chemicals. According to the U. Surgeon General, there is no risk-free level of exposure to secondhand smoke. There is no time like the present start on your journey to a smoke-free life. You'll be rewarded with benefits beyond what you can probably imagine and they'll start to occur faster than you think. The improvements in your mental and physical health will continue to grow.
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Centers for Disease Control and Prevention. National Cancer Institute. Updated December 19, Toxicity, mechanism and health effects of some heavy metals. It is a powerful drug, which affects the brain and quickly becomes addictive. It collects in the lungs and can cause cancer. Carbon monoxide An odourless, colourless gas that is released from burning tobacco.
When it is inhaled it enters the blood stream and interferes with the working of the heart and the blood vessels. Arsenic Arsenic-containing pesticides used in tobacco farming occur in small quantities in cigarette smoke. Arsenic is commonly found in rat poison. Ammonia Ammonia is a toxic, colourless gas with a sharp odour.
Ammonia compounds are commonly used in cleaning products and fertilisers. Some can cause heart disease, lung disease, or other serious health problems, too. Most of the substances come from the burning tobacco leaves themselves, not from additives included in cigarettes or other tobacco products. Radioactive materials are in the tobacco leaves used to make cigarettes and cigars.
These materials come from the fertilizer and soil used to grow the tobacco leaves, so the amount in tobacco depends on the soil the plants were grown in and the type of fertilizers used. These radioactive materials are given off in the smoke when tobacco is burned, which people who smoke take into their lungs as they inhale.
This may be another key factor in people who smoke getting lung cancer. Cigar smoke has many of the same toxic and carcinogenic compounds as cigarette smoke, but some of them are present at different levels. Because of the aging process used to make cigars, cigar tobacco has high concentrations of some nitrogen compounds nitrates and nitrites. When cigar tobacco is smoked, these compounds give off several tobacco-specific nitrosamines TSNAs , some of the most potent cancer-causing substances known.
Is that when more dangerous chemicals are added? Fact : Not all of the harmful chemicals created during cigarette manufacturing are man-made. Some of the carcinogens occur naturally as tobacco is cured. How many harmful and potentially harmful chemicals are in a cigarette? Is there more than nicotine and tar?
Fact : There are more than 7, chemicals in cigarette smoke. Here are some of the 93 known harmful and potentially harmful chemicals in cigarettes.
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