Health & Medicine

  1. Health & Medicine

    Broken Weapon: Mutation disarms HIV-fighting gene

    A gene that once produced a small protein able to prevent HIV from infecting cells now lies unusable in the human genome.

  2. Health & Medicine

    More good news about chocolate

    The Kuna people of Central America appear to keep their blood pressure down by drinking cocoa rich in chemicals called flavanols.

  3. Health & Medicine

    Coffee beans, cavity-causing germs

    Compounds in coffee loosen the grip of bacteria that cause tooth decay.

  4. Health & Medicine

    High homocysteine tied to Alzheimer’s

    Research has linked the incidence of Alzheimer's disease and other forms of dementia to elevated blood concentrations of the amino acid homocysteine.

  5. Health & Medicine

    Tracking Tumors

    Researchers are trying to visualize molecular and cellular changes as a cancer responds to therapy in order to predict whether treatments are effective sooner than it's currently possible to determine.

  6. Health & Medicine

    Vaccine Power: Immune cells target cancerous tissue

    Researchers are enlisting a person's own immune system to attack prostate tissue, including cancerous cells.

  7. Health & Medicine

    Suspicious DNA: Chromosome study homes in on Alzheimer’s disease

    Several human chromosomes now face intensified scrutiny for possibly harboring genes involved in Alzheimer's disease.

  8. Health & Medicine

    Chill Out: Mild hypothermia aids heart attack recovery

    Icing down patients who have just had a heart stoppage may boost their survival chances and prevent brain damage in those who pull through.

  9. Health & Medicine

    Indoor tanning ups all skin cancer rates

    Artificial sunbathing using ultraviolet lights increases the risk of all types of skin cancer.

  10. Health & Medicine

    Alzheimer’s vaccine trial is suspended

    A drug company in Ireland has halted tests of an experimental vaccine for Alzheimer's disease.

  11. Health & Medicine

    Vitamin Void: Heart disease may lurk in B12 deficiency

    Meatless eating typically improves cardiovascular health, but a dietary shortage of vitamin B12 may lead to an overabundance of the amino acid homocysteine in some vegetarians, which could pose a risk to their hearts.

  12. Health & Medicine

    Antibody Warfare: Vaccine halts microbes in dialysis patients

    A vaccine protects many kidney-dialysis patients from blood infection caused by the Staphylococcus aureus bacterium.