The farm workers' union contends that the pesticides cause cancer in field workers; the growers contend pesticide use does not exceed safe levels.

The new version says that "while pesticides have important uses, studies show that some pesticides cause health problems at certain levels of exposure."

Biological pesticides based on entomopathogenic fungi, bacteria and viruses cause disease in the pest species can also be used.

Concern about pesticides stems from research findings that some pesticides cause cancer, birth defects and other severe health problems.

The studies suggest a possible link, but can't prove that pesticides cause ADHD.

Scientists have found both that the pesticides used to ward off mosquitoes can cause health problems in people and kill honeybees and marine life.

However, some pesticides may cause cancer and other health problems, as well as harming wildlife.

The pesticide, used to control termites, has caused cancer in test animals.

The medical evidence that pesticides cause a number of Western diseases should be causing us great concern.

A number of speakers have already pointed out how it is a proven fact that pesticides can cause cancer.