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SCIENCE EXTRA CREDIT

SCIENCE EXTRA CREDIT . CIGARETTES. THE COMPOSITION OF THE CIGARETTES. EFFECTS OF SMOKING.

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SCIENCE EXTRA CREDIT

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  1. SCIENCE EXTRA CREDIT CIGARETTES

  2. THE COMPOSITIONOF THE CIGARETTES

  3. EFFECTS OF SMOKING • The effects of smoking on human health are serious and in many cases, deadly. There are approximately 4000 chemicals in cigarettes, hundreds of which are toxic. The ingredients in cigarettes affect everything from the internal functioning of organs to the efficiency of the body's immune system. The effects of cigarette smoking are destructive and widespread.

  4. Lung cancer is what people usually fear from smoking, and yes, that can take years to strike. But a new report says there’s no doubt that tobacco smoke begins poisoning immediately as more than 7,000 chemicals in each puff rapidly spread through the body to cause cellular damage in nearly every organ.

  5. THE BEFORE AND AFTER OF A PERSON WHO SMOKES CIGARETTES

  6. MORE PICTURES OF THE BEFORE AND AFTER OF THE AFFECTED ORGANS

  7. Assessing the Consequences of Smoking • The physical and medical consequences of smoking are numerous, and the extent and seriousness of smoking-related illness are shocking. More than 450,000 Americans die each year as a result of smoking. Between 3,000 and 5,000 more die as a result of exposure to smoke in the environment (known as secondhand smoke). • Smokers get sick and die at younger ages than nonsmokers, too. According to the World Health Organization, half of regular smokers who began smoking during adolescence will die as a result of their tobacco use. Experts estimate that up to 30 percent of cancer deaths in the United States could be prevented if cigarettes were banned. • Cancer is one of the worst effects that smoking has on the body. Organs that have direct contact with tobacco smoke — the throat, lungs, and esophagus — are the most likely to develop cancer. Here are some of the other effects you are likely to experience if you continue your habit (if you aren't experiencing them already!):

  8. Assessing the Consequences of Smoking (part 2) • Your fingers and fingernails become discolored with tarry, mustard-hued stains that can't be scrubbed off. • Your breath takes on the odor either of the cigarette or cigar you're smoking or of old, lingering tobacco. • Over time, your skin takes on the appearance of advanced age, with exaggerated wrinkles, crevices, and worry lines. • Your gums and teeth suffer, with periodontal disease, including gingivitis (painful, swollen, bleeding gums), a prominent part of the not-so-pretty smoking picture. Teeth become stained in unwelcome shades from mustard yellow to dark brown. Stained teeth are a social liability. • Chronic tobacco users may develop tobacco amblyopia, a condition that involves difficulty with symmetric aligned eye movements. • Smoking can cause or worsen peptic ulcers and can make them recur. • Cigarettes are implicated in the development of osteoporosis, a thinning or weakening of the bones often associated with the elderly. • Female smokers over the age of 35 who take oral contraceptives ("the pill") are at greater risk for heart attack, stroke, and blood clots

  9. Assessing the Consequences of Smoking (part 3) • In the United States, half of all strokes are attributable to cigarette smoking. • Peripheral vascular disease, which causes pain, a loss of sensation, and poor circulation in the legs, is a serious condition that can lead to infection and even necessitate amputation. Smoking is the primary risk factor for the development of some types of peripheral vascular disease. • If you are overweight or have high blood pressure or diabetes, smoking will aggravate these conditions and could lead to more severe symptoms and/or greater need for treatment. • At least one in eight cases of high blood pressure is due to smoking. • Babies of mothers who smoke are at greater risk for SIDS (Sudden Infant Death Syndrome) and of being born at a low weight. • Children of mothers who smoke stand a greater chance of having asthma, ear infections, and upper respiratory infections.

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