1. Health & Medicine

    Will new approach cure Chagas disease?

    Scientists may be able to disable the parasite that causes Chagas disease by targeting the enzyme it uses to make essential fats.

  2. Health & Medicine

    Suppressive drug therapy hinders herpes

    A daily regimen of the antiviral drug valacyclovir controls genital herpes vastly better than does the same medication when used only to treat outbreaks of the disease.

  3. Health & Medicine

    Ominous drug-resistance hints appear

    The first signs of partial resistance to an important class of drugs called quinolones have appeared in Haemophilus influenzae, a bacterium that can cause pneumonia and meningitis.

  4. Health & Medicine

    Garlic interferes with HIV drug

    Garlic supplements interact negatively with a protease inhibitor medication taken by people infected with HIV.

  5. Health & Medicine

    A glass of red may keep arteries loose

    A newly uncovered effect of a compound abundant in red wines may provide the mechanism needed to explain how reds could outperform whites and rosés in reducing heart disease.

  6. Health & Medicine

    Prenatal folate averts child leukemia

    Even a little supplementary folate during pregnancy now appears to reduce the risk that the child will develop acute lymphoblastic leukemia.

  7. Health & Medicine

    Vaccine prevents urinary-tract infections

    An experimental vaccine designed to repel 10 common bacteria that cause bladder infections has cleared a key hurdle by proving safe and effective in a group of women.

  8. Health & Medicine

    Virus Shapes Risk of Multiple Sclerosis

    A huge, decade-long study bolsters the link between Epstein-Barr virus and the autoimmune disorder multiple sclerosis by showing that the common infection is more active in people who later develop symptoms of the disease.

  9. Humans

    Weekly Science Snoop

    WARNING: This fake tabloid contains rumor, humor, and other words that don't rhyme with truth.

  10. Health & Medicine

    Sometimes lying down is harder work

    Squatting or standing might ease baby delivery by allowing the birth canal more room to expand.

  11. Health & Medicine

    Ultrasound boosts drug delivery to tumors

    A beam of ultrasound can make the blood vessels that infiltrate cancerous growths leakier than normal.

  12. Health & Medicine

    Weak appetite in elderly ties to hormone

    A hormone known to suppress appetite is more abundant in seniors than in young adults and has a greater effect in squelching hunger in elderly people.