Health & Medicine

  1. Health & Medicine

    Early disruption of schizophrenia gene causes problems later

    New study may help scientists to understand the sequence of events that can lead to schizophrenia

    By Laura Sanders
  2. Health & Medicine

    Older adults’ brains boosted by more, not better, sleep

    A study finds that older adults perform better on a learning and memory task if they have slept more, while uninterrupted rest matters more for younger folks.

    By Laura Sanders
  3. Health & Medicine

    Brain tells signs from pantomime

    Different brain areas light up when deaf people use American Sign Language than when they gesture.

    By Lisa Grossman
  4. Health & Medicine

    Rapid HIV treatment could slow growing TB rates

    Widespread yearly testing and immediate treatment with antiretroviral drugs could avert more than 6 million tuberculosis cases in Africa, a new model finds.

    By Rachel Ehrenberg
  5. Health & Medicine

    IVF kids show shift in gene activity

    Team finds differences related to metabolism and growth.

    By Eva Emerson
  6. Health & Medicine

    Possible prostate cancer culprit

    Scientists identify a type of stem cell and a gene that play a role in the disease.

    By Laura Sanders
  7. Health & Medicine

    Healthy teeth, healthy people

    Talk leaves journalists flossing for details on oral health.

    By Elizabeth Quill
  8. Health & Medicine

    Brain at the breaking point

    New research, showing how stresses can snap tiny tracks inside brain connections, may improve understanding of traumatic brain injury.

    By Laura Sanders
  9. Health & Medicine

    Dolphins may offer clues to treating diabetes

    Insulin-resistance switch helps maintain glucose levels in dolphin brains, suggesting possible clues to treating diabetes in people.

    By Rachel Ehrenberg
  10. Health & Medicine

    Tumor tracking gets personal

    A new method has the potential to use genome science to improve cancer care.

    By Eva Emerson
  11. Health & Medicine

    Lunch time for stem cells

    Kristen Brennand is trying to tease out how the cells in brains of healthy people differ from those in schizophrenic patients. The problem: No one wants to give up a chunk of brain for her to study. So she’s fashioning her own clumps of brain cells from tissue people willingly part with – skin.

    By Janet Raloff
  12. Humans

    Decoding diversity in Bushmen

    Decoding the genetic makeup of tribal leaders and Archbishop Desmond Tutu uncovers rich genetic diversity in southern Africans.

    By Tina Hesman Saey