Fouling one's own nest.
D002675:Child, Preschool; D003020:Clothing / Q000009:adverse effects; D004787:Environmental Pollution; D006801:Humans; D007855:Lead Poisoning / Q000209:etiology / Q000235:genetics; D008297:Male; D009784:Occupational Diseases / Q000139:chemically induced*; D010290:Parents; D014481:United States