A ruptured aneurysm could lead to stroke.
Inside your body there’s a bustling highway with your beating heart at the center. Learn all about your body’s 60,000 miles of microscopic blood vessels, 5 to 6 quarts of blood, and the sundry passengers (lymph, blood cells, nutrients and more) that ride it every day.
A tiny particle dressed up as a red blood cell could fight snake venom, deadly bacteria and several other pathogens
Artificial platelets could speed up blood clotting and reduce bleeding in people who've suffered life-threatening wounds, researchers say.
Turkey meat is turkey muscle. Whether it's dark or white simply depends on how much the bird uses it.
Valentine's Day has its roots in ancient Rome. Sweetheart cards, conversation hearts, and flowers also have dated origins. Life's Little Mysteries explains the holiday's ancient roots.
Immune cells in the brain may be the culprit behind alcohol's ability to make us clumsy and slur our speech.
Colon-based white blood cells keep our immune system from attacking our protective and helpful gut bacteria, and could also play a role in protection against autoimmune diseases of the intestines.