Chemicals enter our food in various. Farmers use herbicides to kill weeds, pesticides to kill insects, fungicides to kill mold and fertilizers to promote growth. All of them are very harmful to health and also to the environment. After harvesting, most crops are subjected to futher "post-harvest" chemical treatment in order to protect them from fungus. Japanese rice, for example, is sprayed with methyl bromide, which can cause mental disorders and speech impediments. Fresh fruits and vegetables are sprayed with sulfites, to which many people are allergic. Bananas, mangoes and other tropical fruit are sprayed with even more poisonous chemicals
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