Smoking can cause many diseases such as lung cancer, heart diseases and long-term respiratory diseases. According to the Medical News Today, over 440,000 deaths of the 2.4 million deaths are caused by using tobacco which is more than the death from using alcohol and other diseases such as HIV. Furthermore, the death by smoking cigarette are concerned to be one of the preventable death because not only the smokers' health are harmed but the second smoke can effect the health of the people around them.
Lung cancer is one of many cancers caused by smoking and it's one of the most dangerous cancer that had the lowest survival rate. It also one of the most common cancer death in the UK. Smoking can caused other cancer such as cancers of the larynx (voice box), oesophagus (gullet), mouth and pharynx (throat), bladder,pancreas, kidney, liver, stomach, bowel, cervix, ovary, nose and sinus, some types of leukaemia and increases the risk of breast cancer.
And how does smoking cigarette caused cancer. The tobacco contains 70 different substances that are seems to be the cause of cancer. The poison chemical enters the lung and spreads out through the body when the smoker inhale these smoke. After entering the lung and spreading out, the chemical damages the DNA and changes important genes, making the cells grow into a huge number. Furthermore, the poison chemical also weaken the body's immune system, making the cancer cell grow quicker without being destroyed. because inhaling tobacco smoke is the only way that it will contact your body, second can also cause damage to the non-smoking person.
The good new is these cancer and other diseases caused by smoking can be prevent by avoiding the cigarette smoke and stop smoking at the right time if you're the smoker.
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