Each year the land and crops of many nations are drenched with millions of pounds of poisonous chemicals. Chemical pesticides are used to kill unwanted insects, rodents and fungi. Chemical poisons are also used to kill weeds and defoliate plants. Many of these chemicals-some of which do not easily break down-cling to our vegetables and fruits or enter the food chain where they are stored in the meat we eat.
No one can say what the limit of tolerance of these chemicals is for any person. What may not harm one who enjoys enough vitality so that his body appears to throw off harmful agents may kill another who does not enjoy that vitality. So who …
