What happens when you smoke too much and what happens at your worst

Many smokers feel comfortable smoking cigarettes with low tar content, believing that the harm is negligible. A recent study in the United States shows that low-tar cigarettes do not help protect their health, and smokers should not make excuses for smoking. Dr. Michael Turn, director of the American Cancer Society's Institute of Epidemiology, conducted a comparative analysis of the relationship between cigarettes with four tar levels and cancer incidence.

The study, which consisted 364239 men and 576535 women for six years, found that smokers who smoked cigarettes with low tar content were as likely to develop lung cancer as smokers who smoked cigarettes with medium tar content. The survey also found that smoking has a certain relationship with carcinogenesis, and different smoking methods can determine the degree of exposure to carcinogens on the surface of the lungs, thereby promoting the induction of certain types of lung cancer. Studies have shown that as long as you smoke, the harm is the same.

Professor Dai Longrui, from the experimental base of the Shanghai Health Education Promotion Cooperation Center of the World Health Organization, believes that the American experts' view is correct, and low-tar cigarettes only reduce the proportion of nicotine and other harmful substances like cigarettes with filters, but they cannot reduce the harm to the human body. Paper cigarettes contain 3,4 benzopyrene carcinogens, which must be converted by aromatic hydroxylase in the body to have its activity, the amount of the enzyme determines the strength of carcinogenicity, and the amount of this enzyme has a certain relationship with heredity, therefore, people with a family history should quit smoking as soon as possible, because smokers have the possibility of lung cancer within 10 years after quitting smoking. The degree of harm to the body caused by smoking is related to genes Recent studies in the medical community in the United States have found that how much harm smoking can cause to the body may be related to genes, and if pregnant women lack genes to prevent tobacco damage, newborns are underweight, and the situation is the most serious.

According to a report published by Boston University School of Medicine, there are two genes in the human body that are involved in the chemical reactions caused by smoking, one of which can prevent the harm caused by smoking, and the other is to intensify the injury. The study, which surveyed 700 newborns, showed that newborn mothers who had genes that reinforce smoking injuries and lacked genes to prevent harm were the most severely underweight newborns, with an average loss of 1,360 grams and 5 weeks of prematurity. More than 300,000 babies in the United States are born under birth weight each year, that is, weighing less than five pounds and eight ounces (2,500 grams), and low birth weight is the main cause of neonatal death, as well as neonatal inadequacy, which can lead to a variety of infant diseases.

However, doctors oppose genetic screening for pregnant women because underweight newborns are a complex condition and there are too many environmental risk factors and genetic factors that lead to this outcome.

I have two pneumonias and one respiratory infection, I advise you to smoke less, I am now about two a day, you may now have a tendency to develop to chronic pharyngitis, cherish! Bye!