News

  1. Health & Medicine

    Here’s how air pollution may trigger lung cancer

    Exposure to air pollution may trigger DNA mutations that cause lung cancer in nonsmokers.

    By Meghan Rosen
  2. Health & Medicine

    U.S. FDA may nix black box warning on some menopause estrogen treatments

    Experts worry the warning on vaginal estrogen menopause treatments is doing more harm than good and is not supported by science.

    By Tina Hesman Saey and Sofia Caetano Avritzer
  3. Humans

    A child’s biological sex may not always be a random 50-50 chance

    Some people’s biology may set them up to birth babies of a certain sex, explaining why a family with multiple children may have all girls or all boys.