Feeding Rodents Is No Way To Measure Cancer Risk
Dennis T. Avery
The First Rule Of Toxicology Is “The Dose Makes The Poison”
CHURCHVILLE, Va.–One of organic farming’s most widely used pesticides–pyrethrum–has been classified as a “likely human carcinogen.” An advisory committee to the Environmental Protection Agency made the classification two years ago, after pyrethrum caused higher-than-normal numbers of tumors in two different sets of laboratory [...]


