A fibrous path 'twixt heart and brain may make you swoon
A newly discovered pathway between the heart and brain can cause fainting, at least in mice.
fainting
When A Fainting Spell Is Caused By A Serious Blood Clot
Blood clots are on the list of conditions that doctors are supposed to consider when figuring out unexplained fainting spells. An Italian study suggests physicians should be more alert to clots.