The toxic chemical ‘whack-a-mole’ game

When her black cat rapidly dropped from a healthy 14 pounds to a skeletal five pounds, it was natural for Arlene Blum to investigate whether a toxic chemical in her home might be to blame. The veterinarian’s diagnosis raised that possibility, and Blum had expertise in the harm that chemicals can cause. Her research as a chemist in the 1970s helped reveal the possible health hazards posed by flame retardants used in children’s sleepwear.