(HealthDay News) -- Common medications can be dangerous if taken incorrectly, or accidentally by children.

(HealthDay News) -- Washing hands helps prevent the spread of germs, and should be done frequently.

TUESDAY, Oct. 23 (HealthDay News) -- Powerful people try not to mimic the facial expressions of other powerful people, according to a new study.

TUESDAY, Oct. 23 (HealthDay News) -- Warning labels do little to prevent children from swallowing high-powered magnets that can tear holes in the stomach and bowel and cause severe, life-threatening complications, a new study found.

TUESDAY, Oct. 23 (HealthDay News) -- Using antiviral drugs to treat patients with chronic hepatitis C infection may greatly reduce their risk of liver cancer, according to a new study.

TUESDAY, Oct. 23 (HealthDay News) -- Having perfect pitch may have as much to do with your genes as with early and extensive musical training, according to a new study.

TUESDAY, Oct. 23 (HealthDay News) -- Comedian W.C. Fields once said that "the best cure for insomnia is to get a lot of sleep." But, of course, that's not always so easy.

MONDAY, Oct. 22 (HealthDay News) -- Scientists have developed a new technique to produce 3-D images of breast tissue that they say are two to three times sharper than current hospital CT scans with a lower radiation dose than is delivered currently by conventional mammograms.

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

TUESDAY, Oct. 23 (HealthDay News) -- State records show that the Massachusetts specialty pharmacy at the epicenter of the nationwide meningitis outbreak was plagued by problems as far back as 2006, according to published reports.