Health & Medicine

  1. Health & Medicine

    Breaking down the science behind some of your favorite summer activities

    Inject some science into your summer.

    By Cassie Martin
  2. Health & Medicine

    Rogue immune cells can infiltrate old brains

    Killer T cells get into older brains where they may make mischief, a study in mice and postmortem human brain tissue finds.

    By Laura Sanders
  3. Health & Medicine

    California’s new vaccine rules kept more kindergartners up-to-date

    Three statewide interventions improved the rates of kindergartners behind on required vaccinations in California, researchers report.

    By Aimee Cunningham
  4. Health & Medicine

    Vision cells can pull double duty in the brain, detecting both color and shape

    Neurons in a brain area that handles vision fire in response to more than one aspect of an object, countering earlier ideas, a study in monkeys finds.

    By Laura Sanders
  5. Health & Medicine

    In mice, a high-fat diet cuts a ‘brake’ used to control appetite

    A fatty diet changes the behavior of key appetite-regulating cells in a mouse brain.

    By Laura Sanders
  6. Health & Medicine

    Antioxidants may encourage the spread of lung cancer rather than prevent it

    Antioxidants protect lung cancer cells from free radicals, but also spur metastasis, two new studies suggest.

    By Nicoletta Lanese
  7. Health & Medicine

    Thick calluses don’t make feet any less sensitive

    Bare feet that develop thick calluses are just as sensitive as shoe-clad feet, a study in Kenya finds.

    By Aimee Cunningham
  8. Health & Medicine

    3-D mammograms are popular, but are they better than 2-D?

    The use of digital breast tomosynthesis, a newer breast cancer screening technology with limited evidence, has risen in recent years.

    By Aimee Cunningham
  9. Microbes

    Gut microbes might help elite athletes boost their physical performance

    Veillonella bacteria increased in some runners’ guts after a marathon, and may make a compound that might boost endurance, a mouse study suggests.

    By Carolyn Wilke
  10. Health & Medicine

    New approaches may help solve the Lyme disease diagnosis dilemma

    Lyme disease is hard to detect, but scientists are investigating new diagnostic approaches.

    By Laura Beil
  11. Health & Medicine

    Rotavirus vaccines may lower kids’ chances of getting type 1 diabetes

    Vaccination against rotavirus is associated with a reduced incidence of type 1 diabetes in children, according to an analysis of U.S. insurance data.

    By Aimee Cunningham
  12. Life

    Norovirus close-ups might help fight stomach flu

    Detailed views of a common stomach virus that causes vomiting and diarrhea could aid vaccine and disinfectant development.

    By Tina Hesman Saey