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Research show that under normal circumstances , people and other organisms have characteristics in common , namely when indiriduals grow , the substances they reed synthesize varions metabolic.In recent years , the wave of industy has brought material civilization , while people have found a number of hormone existing outside living organisms which widely used in agricultural prodnction and people`s daily life.It can olstain benefits as well as great damages.For cattle , sheep more flesh and milk , people inject them with a large quantity of estrogen;for fish ,shrimp rapid growth , farmers add the “birth”hormone feed : for vegetables , fruit biggerand earlier into the market , peasamtries spray or even inject a certain concentration of ethylene ,ABA and other “accelerator ”.This kind of substance , as a role of endocrine hormore as humans and organisms , called environmental hormone by scientific community also known as “the third damage ”.Enrironmental hormones on the human body ,mainly though the substance containing the hormone , produce adverse ereactions after eating.The reactions cause endocrine disruption , body`s Normal hormonal disorger , manifested in development , reproduction mind mood and other aspects.According to prelimiinary research confirmed that in current svcial life harm to humans and organisms we have beer found the harmful substances which plays a similar role of hormones at least three humdred species.The main harms are as fonows : Fisrst , there exists a lot of hormone substances in food and water , causing le sperm , male degradation , and even high incidence of male infertility.Seeond , they causes fetal malforation.Third , they interfere and reduce the immune system , resulting in mental retardation , neurological dysfumction , even cancer.Today , it has been recognized that harmones are serionsly harmful.Scientists throughont that world have paid attention to and addre this iue.
