Health & Medicine

  1. Health & Medicine

    Insulin shots fail to prevent diabetes

    Insulin injections failed to prevent type I, or juvenile-onset, diabetes from developing in children and young adults predisposed to the disease.

  2. Health & Medicine

    Does lack of sleep lead to diabetes?

    Lack of sleep makes healthy adults somewhat resistant to the effects of the hormone insulin, suggesting it could predispose people toward type II, or adult-onset, diabetes.

  3. Health & Medicine

    Nicotine spurs vessel growth, maybe cancer

    Test-tube and mouse experiments show that nicotine induces angiogenesis, the formation of new blood vessels.

  4. Health & Medicine

    Have a heart: Turn on just a single gene

    One gene appears to act as the master switch in embryonic heart formation.

  5. Health & Medicine

    Vitamin E benefits cattle, too

    Vitamin E aids immune system function and prevents growth declines in cattle, offering an alternative to potentially dangerous use of low-dose antibiotics.

  6. Health & Medicine

    Insight into preemies’ blindness

    Lack of a growth factor called IGF-1 has been implicated as a trigger for a disease that can cause vision problems, including blindness, in premature babies.

  7. Health & Medicine

    Alzheimer’s damage might start off early

    Copper and free radicals may initiate the brain damage of Alzheimer's disease long before its hallmark protein plaques have formed.

  8. Health & Medicine

    Seemingly safer steroid mimics

    A glucocorticoid mimic may offer the autoinflammatory effects of steroids with fewer side effects.

  9. Health & Medicine

    Boning up with vitamin E

    Vitamin E may ward off osteoporisis—at least in mice.

  10. Health & Medicine

    Saving fertility for cancer survivors?

    A compound called sphingosine-1-phosphate preserves fertility in female mice given radiation treatment.

  11. Health & Medicine

    Glucose control spares arteries in diabetes

    Very strict control of blood glucose concentrations helps limit atherosclerosis formation in people with type I, or juvenile-onset, diabetes.

  12. Health & Medicine

    Critical Care: Sugar Limit Saves Lives

    Strictly controlling blood-sugar concentrations in critically ill patients can reduce deaths by a third.