Health & Medicine

  1. Health & Medicine

    Stem cell shift may lead to infections, leukemia

    Aging of blood-producing stem cells could be responsible for the relatively high incidence of infections and myeloid leukemia in the elderly.

    By Christen Brownlee
  2. Health & Medicine

    Running Interference: Fresh approach to fighting inflammation

    Two experimental drugs stop inflammation in mice by preserving a natural inflammation inhibitor.

    By Nathan Seppa
  3. Health & Medicine

    Sleepy teens haven’t got circadian rhythm

    High schools that begin classes as early as 7:30 a.m. deprive teenagers of sleep, and attempts to reset an adolescent's biological clock fail to solve the problem.

    By Nathan Seppa
  4. Health & Medicine

    Stepping Off the Scale

    While walking, obese people alter their gait to minimize both energy expenditure and the stress on their knee joints.

    By Ben Harder
  5. Health & Medicine

    Attack on Elephantiasis: Antibiotic offers weapon against tropical scourge

    An antibiotic called doxycycline can cure people of elephantiasis, a parasitic disease, by killing the bacterium that the parasite needs to survive.

    By Nathan Seppa
  6. Health & Medicine

    Alcohol increases bacterium’s virulence

    Drinking alcohol can increase the ability of one type of bacteria to cause disease.

    By Christen Brownlee
  7. Health & Medicine

    Ready-to-eat spinach bears tough microbes

    Bagged spinach may contain a significant number of bacteria, many of which are resistant to several antibiotics.

    By Christen Brownlee
  8. Health & Medicine

    Raisins may combat cavity-causing bacteria

    Raisins may fight the bacteria that cause cavities rather than contribute to tooth decay.

    By Christen Brownlee
  9. Health & Medicine

    Heart attack treatment: Better late than never

    A new study contradicts the notion that heart attacks run their course in less than a day and suggests that even delayed treatment can preserve endangered heart tissue.

    By Ben Harder
  10. Health & Medicine

    Cocaine abusers get more heart aneurysms

    Regular cocaine users are about four times as likely as nonusers to have an aneurysm in a coronary artery.

    By Nathan Seppa
  11. Health & Medicine

    A Matter of Time

    Some patients are diagnosed with severe heart attacks in or near hospitals that can't offer them the best treatment, but is emergency transport to a better-equipped facility worth the delay?

    By Ben Harder
  12. Health & Medicine

    Soft Drinks as Top Calorie Culprit

    Soft drinks have overtaken white bread as the main source of calories in the U.S. diet, contributing to an increasing rate of obesity in the country.

    By Naila Moreira