The word environment has a wide range of meaning. From a medical perspective, the environment is material conditions.It includes a natural environment that humans live in survival, such as atmospheric rings, water rings, soil rings, rock rings and biospheres;
Environmental factors that affect human health can be divided into three categories of radioactive substances, radio frequency radiation, etc.); chemical factors (such as toxic chemicals, heavy metals, pesticides, etc.) and bacteria, viruses, parasites, etc.).They, water, soil, and living environment are harmful to human health, of which chemical factors are the most important.
Conditions: ① The chemical disease caused by the environment is a healthy effect caused by water and soil.The elements that can cause such diseases are now cobalt, copper, nickel, boron, lead. Among them, the distribution of iodine and fluorine is the widest, causing local fluoropathy and local goiter.② Gas and chronic damage caused by environmental pollution to the human body.Some formation of acute poisoning and death of public diseases, and some of the sensitivity of chronic effects on the health of the crowd, which increases the incidence and mortality of some common and multiple diseases in residents.③ The long -term harm caused by environmental pollution to human health.There are three types of terators.
Environmental hygiene refers to the hygiene of urban space environment.It mainly includes the clean environment of urban streets, roads, public places, and waters. Urban garbage and feces waste collection, removal, transportation, transit, processing, disposal, comprehensive utilization, urban environmental sanitary facilities planning, construction, etc.
