Pesticides in farming and the effects on human health

Pesticides are substances used in farming to remove pests, which include: insects, unwanted plants (weeds), fungi, microorganisms, mice, birds and fish. Pesticide can be chemical or biological agent (like virus or bacterium). Pesticides are also present in some cleaning products like bleaches and deodorizes, which makes people have contact with them not only through farming.

There are vast effects of pesticides on human health. John C. Avise in his book “The Hope, Hype and Reality of Genetic Engineering” writes that potential problems with pesticides are present in three areas: environment, health and evolution of pest resistance. He writes that 100,000 nonfatal poisonings are being reported in humans each year and that pesticides are effect of estimated 10,000 suspicious cancers. Of foods sampled in U.S. as much as 35% are found to contain pesticide residues.

Direct contact with pesticides can lead to external burns of skin and eye infections, which can cause blisters, rashes and swelling of the skin. It can create internal burns of the mouth, throat, stomach and digestive system, which can lead to: nausea, vomiting, diarrhea, stomach cramps and thirst. Internal burns can also occur in respiratory system, which in effect lead to headaches, dizziness, weakness, confusion, excessive sweating, chills, difficult breathing, chest pains, cramps in the muscles and aches in entire body.

The biggest impact of contact with pesticides can create changes in the genes or chromosomes, which in effect is cause of previously mentioned cancers, tumors and allergies. In addition, accumulation of pesticide in the fat cells of human body, causing toxicity, which in effect does not allow the liver to help clear the body from unwelcome pesticides.

Infants and children may be especially sensitive to health risks posed by pesticides. Pesticides may harm a developing child by blocking the absorption of important food nutrients necessary for normal healthy growth. Another way pesticides may cause harm is if a child’s excretory system is not fully developed, the body may not fully remove pesticides. (

Stay healthy by choosing organic products.


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