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Saturday, March 21, 2009

smoking





How Smoking effects Your Health

There are no physical reasons to start smoking. The body doesn't need tobacco the way it needs food, water, sleep, and exercise. In fact, many of the chemicals in cigarettes, like nicotine and cyanide, are actually poisons that can kill in high enough doses.

The body is smart. It goes on the defense when it's being poisoned. For this reason, many people find it takes several tries to get started smoking: First-time smokers often feel pain or burning in the throat and lungs, and some people feel sick or even throw up the first few times they try tobacco.Smokers not only develop wrinkles and yellow teeth, they also lose bone density, which increases their risk of osteoporosis (pronounced: ahs-tee-o-puh-row-sus), a condition that causes older people to become bent over and their bones to break more easily. Smokers also tend to be less active than nonsmokers because smoking affects lung power.

Smoking can also cause fertility problems and can impact sexual health in both men and women. Girls who are on the pill or other hormone-based methods of birth control (like the patch or the ring) increase their risk of serious health problems, such as heart attacks, if they smoke.

The consequences of smoking may seem very far off, but long-term health problems aren't the only hazard of smoking. Nicotine and the other toxins in cigarettes, cigars, and pipes can affect a person's body quickly, which means that teen smokers experience many of these problems:

* Bad skin. Because smoking restricts blood vessels, it can prevent oxygen and nutrients from getting to the skin — which is why smokers often appear pale and unhealthy.Smoking also increased risk of getting a type of skin rash called psoriasis.
* Bad breath. Cigarettes leave smokers with a condition called halitosis, or persistent bad breath.
* Bad-smelling clothes and hair. The smell of stale smoke tends to linger — not just on people's clothing, but on their hair, furniture, and cars. And it's often hard to get the smell of smoke out.
* Reduced athletic performance. People who smoke usually can't compete with nonsmoking peers because the physical effects of smoking (like rapid heartbeat, decreased circulation, and shortness of breath) impair sports performance.
* Greater risk of injury and slower healing time. Smoking affects the body's ability to produce collagen, so common sports injuries, such as damage to tendons and ligaments, will heal more slowly in smokers than nonsmokers.
* Increased risk of illness. Studies show that smokers get more colds, flu, bronchitis, and pneumonia than nonsmokers. And people with certain health conditions, like asthma, become more sick if they smoke (and often if they're just around people who smoke). Because teens who smoke as a way to manage weight often light up instead of eating, their bodies lack the nutrients they need to grow, develop, and fight off illness properly.



Effects of tobacco smoke
Tar in cigarettes coats the lungs and can cause lung and throat cancer in smokers. It is also responsible for the yellow–brown staining on smokers' fingers and teeth.

Carbon monoxide in cigarettes robs the muscles, brain and blood of oxygen, making the whole body — especially the heart — work harder. Over time this causes airways to narrow and blood pressure to rise, and can lead to heart attack and stroke. High levels of CO, together with nicotine, increase the risk of heart disease, hardening of the arteries and other circulatory problems. A first-time smoker will often feel dizzy and sick.

Immediate effects
Soon after smoking tobacco, the following effects may be experienced:

* initial stimulation, then reduction in brain and nervous system activity;
* enhanced alertness and concentration;
* mild euphoria;
* feelings of relaxation;
* increased blood pressure and heart rate;
* decreased blood flow to body extremities like the fingers and toes;
* dizziness, nausea, watery eyes and acid in the stomach; and
* decreased appetite, taste and smell.

So stop hurting yourself and quite smoking. You can get a lot of info on how to quit smoking now days. so best of luck for you guys


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