One, smoking harms the human brain. Smoking produces a substance is a component of nicotine, which can stimulate the nerve center of the brain to produce excitement, but if the long-term nicotine stimulation, the human body will slowly produce mental exuberance, sensitivity, as well as insomnia, anxiety, forgetfulness and other emotional changes.
The second is to induce cancer. The tar produced by smoking stimulates the oral cavity or airway mucosa for a long time, which can induce cancer. Many people are due to smoking for many years, and finally lead to oral cancer and lung cancer.
Three, induced heart attack, cerebral infarction. The carbon monoxide produced by smoking enters the human body, which will lead to lack of oxygen in the human body, especially for patients with cardio-cerebral system diseases, long-term smoking is easy to induce cerebral infarction and heart attack.
Four, second-hand smoke is also harmful. Smoking is not only harmful to themselves, the surrounding people are also very harmful, long-term second-hand smoke in the environment of women and children's lung cancer, trachea, oral disease is far more likely than others.
So for the sake of our own and our family's health, we have to quit smoking and stay away from tobacco.