CCSVI and Multiple Sclerosis: What's the Link?

CCSVI and Multiple Sclerosis: What's the Link? People with a lifelong condition like multiple sclerosis (MS) are always on the lookout for a new treatment that might improve, or even cure, their disease. In the last few years, there's been a lot of buzz about a vein condition called CCSVI and its possible connection to MS.

However, this connection is very controversial. Some researchers say treating CCSVI can relieve MS symptoms. Others say CCSVI isn't even real. They compare it to the snake venom, bee stings, and other dubious "cures" that have been proposed to treat MS over the years.

So what is CCSVI? Could it be the next big breakthrough in MS research? Or is it just a false theory with a potentially dangerous treatment?

Slideshow: A Visual Guide to Multiple Sclerosis