50th percentile lethal dose for a 150 lb man for DDT is 9 grams.
By contrast, the 50th percentile lethal dose for a 150 lb man for caffine is 5 grams.
No sprayer has ever been injured by exposure to DDT.
A researcher arrived at a DDT factory to research their cancer rate. The manager said, I cam make this really fast. We have no cancer rate.
The researcher said that can’t be true. You have 900 people who work here.
Well, the manager said, there is Bob. He came here 25 years ago, and was hired, although he had a terminal brain cancer, and was thought to have less than six weeks to live. In six months it was determined that his cancer was in remission. He is getting old, but he is afraid to quit. Aside from Bob, we have no cancer rate.
DDT prevents cancer?