抄録
As regards the chronic disorders brought about by pesticides to human bodies, attempts have been made to review theses that have been published both at home and abroad in the last several years on the basis of epidemiological studies. The chronic disorders that are found to have something to do with pesticides are neurological disorders (Parkinson's disease, peripheral nervous symptoms, poor coordinations and abnormal deep tendon reflexes), mental disorders (mild cognitive dysfunction and neurosis), pulmonary and bronchial disorders, hematopietic disorders (aplastic anemia), thyroid disorders, ocular disorders, immune disorders, natal disorders and birth defects (teratism, spontaneous abortion, complete transposition of the great arteries and cryptorchism), disorders in childhood growth (disorders in social development and attention deficit disorders, among others), genital disorders (reduction in fertility, erectile dysfunction (ED) and oligozoospermia), oncogenesis and carcinogenesis (childhood cancer, leukemia, non-Hodgkin lymphoma, multiple myeloma, others and pulmonary, mammary, cystic, pancreatic, and prostatic cancers).
The findings of epidemiological studies do not necessarily produce casual relationships but, as identical findings have come out in many epidemiological studies, it may be argued that they produce findings the casual relationship of which is considerably suspicious. The working of pesticides as chemicals to stir incretion (the working similar to that of estrogen), the working of dioxin contained as a byproduct and the impairment of DNA have something to do with causes to chronic disorders.
With not only acute poisoning by pesticides but also chronic disorders, the greatest adverse impacts fall on farmers who are directly engaged in the spraying of pesticides. When it comes to genital disorders, birth defects and tumorigenesis, among others, the spraying of insecticides and the extermination of white ants in and out of the houses ought to be taken into full account.
