Chronic job strain (lots of work stress and little control) may make second heart attacks more likely, a Canadian study shows.

  Antibody treatment may help restore the fatty myelin sheath surrounding nerves damaged by multiple sclerosis, researchers report.

  Banked blood quickly loses a gas called SNO-Hb, which is needed to deliver oxygen to tissues, Duke University researchers report.

  Depriving the body of male sex hormones fights prostate cancer -- but it ups a man's risk of dying of heart disease.

  Advice on when to stay home if you have the common cold.

  Experts discuss foot care techniques to cope with the painful consequences of wearing high heels.

  Diets that contain plenty of vitamin C and linoleic acid may help keep skin from wrinkling and showing other signs of aging, research shows.

  Marriages and close friendships marked by negativity -- such as conflict and adverse exchanges -- boost the risk of heart disease, according to a new study.

  Men who choose surgery for localized prostate cancer have better 10-year survival than men who choose other treatments, a Swiss study shows.

  A new gene may play a role in women?s breast cancer risk, according to a new study.

  High levels of the inflammatory chemical C-reactive protein may make age-related macular degeneration more likely, Dutch doctors say.

  Drinking tea may help slow bone loss and protect against osteoporosis, a study shows.

  African-American women may miss out on potentially life-saving supplemental treatments for breast cancer like chemotherapy and tamoxifen that may prevent the cancer from returning.

  Meditating for 20 minutes a day for 5 days may be all it takes for people to tame their stress response, a Chinese study shows.