Generally speaking, nicotinic acid in tobacco can inhibit brain cells and nerves of human body to a certain extent, thus relieving anxiety, irritability and other emotions, but this benefit is based on great harm. The main components of cigarettes are tar and nicotine, which are toxic substances. In the process of smoking, tar will be deposited in people's lungs, which will lead to the decline of alveolar function and the blackening of the lungs, which will affect the normal breathing of the lungs and have certain carcinogenicity. Nicotine easily affects the central nervous system of the body, making the body dependent to a certain extent, and also leading to symptoms such as arteriosclerosis and hypertension.
In daily life, you should quit smoking or stay away from smokers in time to avoid causing certain harm to your body. In daily life, we should eat a balanced diet, ensure the normal operation of the body, pay attention to balanced nutrition, and eat nutritious foods such as milk and eggs in moderation. And can carry out appropriate physical exercise, enhance physical fitness, such as jogging, swimming and other projects, improve the body's immunity.