They want to suck your blood — but not for the taste. Vampire bats have a reduced ability to taste compared to other mammals. Even bitter taste receptors are genetically muted, new research finds.
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.
While the definition of death may seem obvious, medical technologies have made the determination of death an increasingly gray area.
Using 3D-printing methods, researchers have created artificial blood vessels in a lab. The bioprinted structures could be used for transplants or for testing new drugs, scientists say.
Olive oil could help protect against heart disease, a small new study suggests, but some experts remain skeptical of the link.
The heart is a vital organ that pumps blood through the body, and is part of the body's circulatory system. Here are seven things you should know about the heart.
A new DNA test can predict how long women with ovarian cancer will survive, and guide personalized treatment decisions, according to new research.
Did you know that autoimmune diseases predominately affect women, or that some people have hardly any immune system? Here are 11 surprising facts about the immune system.
The human circulatory system was once a subject of great mystery, but now, modern science has revealed its inner workings. Here are 11 surprising facts about the human circulatory system.