Nutrients in broccoli may help heart health, as well as fighting cancer, University of Connecticut researchers report.

  Thousands of genes affect weight and many keep weight on, at least in mice, say experts studying mice at the Monell Chemical Senses Center.

  The tiniest air pollution particles may boost atherosclerosis (hardening of the arteries), experts note in the journal Circulation Research.

  Women with chronic fatigue syndrome may have lower morning levels of the stress hormone cortisol than healthy women, experts report.

  A new prednisone pill works overnight to ease morning joint stiffness in rheumatoid arthritis patients, say German and Polish researchers.

  A 12-week course of talk therapy may help curb the often debilitating symptoms of panic disorder -- including intense fear, chest pain, heart palpitations, and shortness of breath.

  Homicides in U.S. schools remain rare but have not gone down significantly since 1999, according to a CDC study.

  The CDC is launching a study investigating a baffling, rare skin problem called Morgellons disease.

  The abortion rate in the U.S. continues to decline, falling to the lowest level in more than three decades in 2005.

  U.S. scientists report making embryonic clones from donated eggs and men's skin cells.

  Swedish and U.S. scientists are working towards a prostate cancer blood test that checks five genetic variants tied to prostate cancer.

  Taking statin drugs, which cut LDL "bad" cholesterol, may not make Alzheimer's disease less likely, doctors report in the journal Neurology.

  Melanoma, the deadliest skin cancer, is started by certain cells that make good treatment targets, scientists note in the journal Nature.

  A study shows Enbrel is effective in treating skin lesions in children and teens with psoriasis.