2. Damage to memory. Harmful substances such as nicotine in smoke stimulate the brain, which will harden the cerebral vessels and affect brain function. Children who have been passively smoking for a long time have significantly worse intellectual development than those who grew up in a smoke-free environment.
3. Hearing impairment. Secondhand smoke not only harms eyes and throat, but recent research has found that people who don't smoke but often inhale secondhand smoke will increase the risk of hearing loss.
4, leading to infertility. Clinically, smoking will have adverse effects on women's reproductive function, sexual function and endocrine, and increase the risk of infertility. Clinical investigation shows that women who smoke passively have a higher risk of delaying pregnancy than women who don't smoke passively, and continuous passive smoking is related to the decline of female fertility.
5, leading to pharyngitis. Long-term secondhand smoke is a common cause of chronic pharyngitis. Tar, nicotine, nicotine and other harmful substances in smoke can inhibit the activity of cilia in respiratory tract, weaken the purification ability of respiratory tract, cause congestion and edema of bronchial mucosa, make external pathogens enter bronchi, cause repeated infections in this part, and then lead to chronic pharyngitis.
6, leading to coronary heart disease. Smoking can cause heart disease, which applies not only to those who really smoke, but also to non-smokers who are exposed to second-hand smoke. Secondhand smoke exposure can lead to coronary heart disease. Chemicals in secondhand smoke can make blood lipids abnormal, thicken blood, destroy myocardial tissue, reduce the ability of blood vessels to regulate blood pressure and blood flow, and then increase the risk of coronary heart disease.
Extended data:
Three kinds of food to prevent secondhand smoke:
1, clearing throat and moistening lung: radish, fungus, pear, honey, grapefruit, kumquat, lotus root, etc. It has the effects of promoting fluid production to quench thirst, clearing away heat and relieving cough, and moistening lung. People who have smoked secondhand smoke for many years eat loquat, which can repair the damaged respiratory mucosa.
2. Eliminate toxins: oolong tea, green tea, black tea, etc. Drinking tea has a good preventive effect on lung cancer and esophageal cancer. Green tea, in particular, can reduce the harm of nicotine, prevent cancer and lower blood lipids. Tea can also induce diuresis and detoxify, so that some toxic substances in smoke are discharged with urine.
3, maintenance of blood vessels: deep-sea fish such as cod and salmon. Secondhand smoke can significantly increase the incidence of cardiovascular events. Deep-sea fish are rich in omega-3 unsaturated fatty acids, which can reduce the risk of cardiovascular diseases, and should be eaten 1-2 times a week. In addition, milk can reduce the damage of toxic substances to the gastrointestinal tract.
Baidu encyclopedia-secondhand smoke
People's Network-Is secondhand smoke harmful? Three kinds of food can fight against secondhand smoke