A lot of people faint at some point in their lives for no clear medical reason. New research provides some explanation. And now an update on the science of swooning. NPR's Jon Hamilton reports on ...

Fainting or blacking out, also known as syncope, is a temporary loss of consciousness due to insufficient blood flow to the brain. Dreamstime/TNS You may have heard that people who feel faint ...

A sudden restriction of blood flow to the brain. That's how scientists have traditionally explained why people faint. But several mysteries remain: What causes someone's blood flow to ...

A newly discovered pathway between the heart and brain may explain why healthy people faint. The pathway appears to carry signals from the heart's lower pumping chambers to an area of the ...

If you are positive, a line appears on the test kit. However, you may have noticed that line can be bold or faint. Does that mean anything? We went to the experts to Verify. “If your test is ...

If you faint at the sight of blood, you may be able to condition yourself not to "It's very common, but it can be surmounted by various means," Dr. Behr says. For example, cognitive behavioural ...