Science: Safe DDT

For those who would like to use DDT but are afraid of being poisoned by it, the current Mosquito News (published by the American Mosquito Control Association) has a word of reassurance. According to Lieut. Commander William J. Perry and Lieut. Leonard J. Bodenlos of the Medical Corps, U.S. Navy, DDT is practically harmless to humans who get it on their skins or breathe it into their lungs.

The two officers examined military personnel and laborers who had been working with DDT for as much as five years. In no case did they find an ailment traceable to DDT. To make...