Why Cigarettes Can Kill

Had countless studies conducted to determine the impact of smoking on physical and emotional health. An estimated one-fifth of people in the world die each year because of diseases related to smoking.

If not to kill, at least not smoking will reduce your rights to healthy longer. In addition, smoking will also exacerbate the disease you are suffering.

Studies show that cigarette smoke contains some 4,000 chemicals, including various toxic in very small doses. In every puff, these toxins will enter through the lungs, and then forward it to the whole body through blood vessels. Some of these toxins known as free radicals.

The latest research done by researchers from National Cheng Kung University in Taiwan showed that carcinogenic substances in cigarettes, called NNK causes lung cancer.

"NKK makes the accumulation of a protein called DNMT1 in the cell nucleus. Furthermore, to make DNMT1 gene into tumor cells," researchers said in a report published in the Journal of Clinical Investigation. The researchers also found high levels of DNMT1 in patients with a diagnosis of lung cancer bad.

Meanwhile, the nicotine in tobacco smoke causes the adrenal glands produce hormones that increase blood pressure and heart rate so your heart work harder. This is one reason why smokers' risk of suffering a heart attack and stroke.

Smoking also reduces your ability to stay in shape for spending the necessary oxygen to refresh your body and brain.

A study conducted by British researchers found that smokers who are infected with HIV is twice as fast to get the onset of AIDS compared with nonsmokers.