What are the dangers of smoking?

What are the dangers of smoking? How to quit smoking, eat less cigarettes properly, this still needs more attention. Now there are more and more smokers, and this is mainly because they do not know the harm of smoking. Let's take a look at the dangers of smoking.

What are the dangers of smoking?

We all know that there are many harmful substances in cigarettes, and the outer shell of cigarettes also has the words "smoking harmful to health" written on the casing, but few people know what harm smoking does to the human body, so let's take a look at the harm of smoking today. What are there.

harm of smoking

suffering from coronary heart disease

Smoking is one of the main reasons for coronary heart disease, because the nicotine in cigarettes will induce repeated vasoconstriction, damage the vascular endothelium, and lead to the onset of coronary heart disease.

induce lung disease

Smoking will definitely hurt the lungs at the beginning, because when we smoke, we inhale harmful substances such as tar and nicotine into the lungs, and when these harmful substances are always deposited in the lungs, they will slowly damage to our lungs, causing lung disease.

damage intelligence

Many people think that smoking can relieve fatigue and refreshment, but in fact it does not. According to a study abroad, 200 students were sampled, and the average score of non-smoking students was about 7 points lower than that of smoking students. This is because when nicotine enters the body, it will stimulate the autonomic nervous system, cause vasospasm, affect the neural activity of the cerebral cortex, and then cause a decline in intelligence.

cause cancer

Why does smoking cause cancer? This is because the toxin in cigarettes can easily dissolve in water and food, breaking DNA, and many radioactive substances in cigarettes can also break our cells, thus creating an environment for cancer cells to grow, which in turn can cause cancer .

when not to smoke

Do not smoke in the morning

When we just wake up, our body is in a state of relatively low metabolism, and our breathing is also very slow. At this time, if we smoke, it is very easy to cause chest tightness and weakness. So try not to smoke in the morning.

Do not smoke after meals

Many people say that a cigarette after a meal is like a fairy, but this concept is wrong. When we finish eating, our body's digestive system is in a state of high-speed operation. At this time, if we smoke, it will accelerate the absorption of harmful substances in cigarettes into the body, which will make cigarettes more harmful. It is more powerful, so it is best not to smoke after meals.

Don't smoke when staying up late

When staying up late, many people smoke. And at night is the best time for cell division, and because we often stay up late, the body's resistance will be weakened. If we smoke again at this time, the carcinogens in the cigarette will combine with the dividing cells, leading to cancer. Cells appear, so it is best not to smoke at this time.