Health & Medicine

  1. Health & Medicine

    Sleepy Heads: Low fuel may drive brain’s need to sleep

    A new study supports the hypothesis that dwindling energy stores in the waking brain induce sleep.

  2. Health & Medicine

    Mixed Blessing: Unusual gene helps heart, hurts immunity

    People carrying a variant of a gene that encodes an immune protein called toll-like receptor 4 have a weaker defense against infections but appear to be less prone to heart disease.

  3. Health & Medicine

    More than Skin Deep? Beauty products may damage fetal development

    A new report shows that many cosmetics contain phthalates—a class of chemicals known to cause developmental deformities in animals.

  4. Health & Medicine

    Disabled Defense: HIV protein counters immune-cell gene

    Immune cells contain a protein that can inhibit HIV replication if the AIDS virus lacks a key protein.

  5. Health & Medicine

    Gender differences in weight loss

    Men and women gain weight differently and may lose it differently, too.

  6. Health & Medicine

    Antioxidants for greyhounds? Not a good bet

    Antioxidant vitamins that greyhound racers have been giving their animals to boost performance actually slow down the dogs.

  7. Health & Medicine

    Study fails to link vasectomy to cancer

    Researchers have found that men with prostate cancer are no more likely to have had a vasectomy than healthy men are.

  8. Health & Medicine

    Method could boost diabetes therapy

    Allowing insulin-producing islets to grow in close contact with each other during cell culture may increase the chance of successful transplant into diabetic people.

  9. Health & Medicine

    Melanoma gene quickly reeled in

    Biologists have discovered a gene that may contribute to many cases of deadly skin cancer.

  10. Health & Medicine

    A Rash of Kisses

    A kiss can trigger allergic reactions.

  11. Health & Medicine

    Impotence high after prostate removal

    Roughly 60 percent of men who have a cancerous prostate gland removed are subsequently impotent.

  12. Health & Medicine

    Firm nears completion of human genome

    Celera Genomics announced that it has sequenced 90 percent of the human genome and claimed it has found about 97 percent of all human genes.