As February dawns, you're seeing a lot more red and more hearts. While that is partly due to Valentine's Day, it also is because -- for the 51st straight year -- the White House has designated February as American Heart Month.
All the research done so far to understand spontaneous coronary artery dissection (SCAD) has turned up only a single confirmed risk factor. Having a heart. That's it. No one can explain why SCAD strikes certain hearts.