HEALTH NEWS   ·         Vitamin intake linked with lower stroke risk ·         Study suggests tai chi is better at reducing high blood pressure than aerobic exercise ·         Low selenium tied to throat, stomach cancers ·         Dancing may be better than other exercise for improving mental health ·         Newly discovered mechanism explains heightened risk for suicidal behavior among some contraceptive users ·         Natural Compound (Quercetin) Blocks Hepatitis C Infection