(HealthDay News) -- You're feeling miserable, mired with symptoms of the flu. Do you know what to do to feel better and avoid getting others sick?

(HealthDay News) -- If you need to dispose of unused or expired medications, doing so incorrectly could cause more harm than good.

THURSDAY, Jan 24 (HealthDay News) -- It was the start of 1988, a beautiful morning on a New Year's vacation at the beach in Martinique when Alan Brown went in the water for a quick swim. The ocean seemed a little rough, but the deep blue of the sea appeared to stretch into infinity.

THURSDAY, Jan. 24 (HealthDay News) -- Performing small acts of kindness and gratitude can make people happier, researchers believe, but how this occurs is more of a puzzle.

THURSDAY, Jan. 24 (HealthDay News) -- Dung beetles use the Milky Way galaxy to figure out which way to roll their dung balls, a new study shows.

THURSDAY, Jan. 24 (HealthDay News) -- Hospital patients admitted as emergency cases on public holidays are more likely to die within the month than those admitted on other days, according to a study from the United Kingdom.

WEDNESDAY, Jan. 23 (HealthDay News) -- If your teenager thinks like Mario Andretti before he gets his license, chances are he will act like the famous race car driver once he is alone behind the wheel, new research suggests.

THURSDAY, Jan. 24 (HealthDay News) -- A new study finds that vaccinating children against rotavirus may also help protect unvaccinated adults against the highly contagious virus that causes severe diarrhea and vomiting.

THURSDAY, Jan. 24 (HealthDay News) -- A U.S. Food and Drug Administration advisory panel will meet Thursday and Friday to discuss the fate of certain painkillers that contain an opioid known as hydrocodone.

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