雾霾，在生活中，已经很常见了。下面给大家分享一些雾霾英语作文，希望对大家有帮助。
As the saying goes "qiu dong smog knife to kill". We can see and catch"smog" actually have bigger influence on the body, especially the high incidenceof respiratory and cardiovascular and cerebrovascular diseases in the elderlygroup.
1. The effects on the respiratory system. Haze composition is verycomplicated, including hundreds of atmospheric chemistry particulate matter.Which is bad for your health mainly aerosol particles less than 10 microns indiameter, such as mineral particles, sea salt, sulfate, nitrate, organic aerosolparticles, fuel and car exhaust, etc, it can directly enter and adhesion in thehuman respiratory tract and alveoli. Especially the submicron particles aredeposited on upper and lower respiratory tract and alveolar, causes the diseasesuch as the acute rhinitis and acute bronchitis. For obstructive bronchusasthma, chronic bronchitis, emphysema and chronic respiratory diseases such aschronic obstructive pulmonary disease patients, haze weather can make theillness acute or acute exacerbation. If this kind of environment will cause lungcancer for a long time.
2. The effects on the cardiovascular system. Haze weather pollutants in theair, air pressure is low, easy to induce acute cardiovascular disease. Such asheavy fog, the moisture content is very high, if people in outdoor activitiesand sports, the body's sweat is not easy to discharge, cause people bosomfrowsty, increased blood pressure.
3. The fog haze weather can also result in close formation ultravioletweakened, activity of the infectious pathogen in the air, increase of infectiousdiseases.
4. Reduce because of the fog the sun, ultraviolet irradiation in childrenis insufficient, inadequate vitamin D in the body to generate, the absorption ofcalcium significantly reduce, serious can cause rickets in infants, children'sgrowth to slow down.
5. Affect mental health. Heavy fog weather depression, due to weak lightand easy to let a person produce mental laziness, depression, and pessimism,encounter something goes wrong and even easier to spin out of control.
6. Affect the traffic safety. Low vision in haze weather, visibility, airquality is poor, easy to cause traffic jams, traffic accidents.