Co-Author: Richard S. Simak
Story, first published: Stellar #2 (1976)
Despite some flashes of Simakian humor, the story, based on the idea that the human body could adapt to DDT*, exemplified Simak's filial devotion more than his writing skills.
* = DDT (dichlorodiphenyltrichloroethane) is an organochlorine insecticide
Ewald, Robert J.: When the Fires Burn High and the Wind is from the North, p.119