Uncategorized

  1. Health & Medicine

    Mining fat tissue for cardiac repair

    Stem cells that are abundant in adipose tissue seem to boost the recovery of heart tissues in people who survive the big one, early research shows.

    By Nathan Seppa
  2. Health & Medicine

    Jet lag makes hamsters dumb

    A new study highlights the perils of shifting time zones.

    By Laura Sanders
  3. Health & Medicine

    Flick of a whisker can prevent stroke damage in rats

    A new study in animals suggests sensory stimulation could potentially provide a nondrug method for protecting human patients.

    By Laura Sanders
  4. Health & Medicine

    Fish oil fails to hold off heart arrhythmia

    Atrial fibrillation patients who took capsules rich in omega-3 fatty acids had about as many episodes as those getting a placebo, a study finds.

    By Nathan Seppa
  5. Health & Medicine

    Pain-free pianists use their backs

    Pianists who use smaller arm and finger muscles are more prone to injury than players who activate their back and neck muscles.

    By Laura Sanders
  6. Health & Medicine

    Drug helps in mild heart failure

    Already prescribed for severe cases, eplerenone cuts death and hospitalization rates in patients with less severe but chronic forms of the condition, a new study finds.

    By Nathan Seppa
  7. Humans

    Ancient hominid butchers get trampled

    Bone marks advanced as evidence of stone-tool use to butcher animals 3.4 million years ago may actually have resulted from animal trampling, scientists say.

    By Bruce Bower
  8. Health & Medicine

    Cocaine trumps food for female rats

    A study in rats finds that males prefer food over cocaine while females prefer the drug, a step toward better understanding of sex differences in addiction.

    By Laura Sanders
  9. Health & Medicine

    Alcohol heart benefits show up even after bypass surgery

    Having two to three drinks a day was associated with decreased heart problems in men during the three years after the operation, researchers from Italy report.

    By Nathan Seppa
  10. Health & Medicine

    Mom’s past drug abuse may alter brain chemistry of offspring

    A new study in rats suggests that the lingering effects of adolescent opiate use may be passed on for two generations, even if the female is drug-free when she gets pregnant.

    By Tom Siegfried
  11. Life

    Rare mutations key to brain disorders

    Many cases of mental retardation can be explained by genetic variants that arise in affected individuals.

    By Tina Hesman Saey
  12. Health & Medicine

    A new way for blind mice to see

    A new type of prosthetic eye can analyze patterns of cell activity to reproduce images similar to those produced in normal vision.

    By Laura Sanders