The Circulatory System

Researcher say they've found a network of fluid-filled spaces in tissue that hadn't been seen before.

Regularly eating meats that are sizzled on the grill may increase the risk of high blood pressure, a new study suggests.

Your eyes are the windows to your heart — and Google wants in.

Your genetic code: the ultimate murder witness.

People who experience migraines may be more likely to develop cardiovascular problems, a new study from Denmark finds.

It's really tricky to measure how much marijuana a person has used on a given day — and how impaired their driving may be as the result of that use — a new review says.

A rare find in amber connects ancient ticks to feathered dinosaur hosts.

Injecting the blood plasma of healthy young people into people with Alzheimer's disease might be safe, but not all experts are behind the idea.

Fans of Tesla electric cars who also have implanted heart devices can rest easy.

If your mother ever warned you to slow down because you eat too fast, she now has at least one good reason to support her case.

A weak heart may age parts of the brain by 15 to 20 years.

Three people in Uganda and Kenya have died from an extremely rare and deadly disease caused by the Marburg virus, the World Health Organization reported today (Nov. 7). What is the Marburg virus?

A certain molecule in mammal blood provokes extreme reactions in different species, driving bloodlust in wolves and triggering aversion in humans.

The U.S. Food and Drug Administration (FDA) has a message for candy-lovers: "As it turns out, you really can overdose on candy — or, more precisely, black licorice."