Mark Jacoby had no idea why his body was failing. Symptoms appeared gradually, said the 41-year-old former construction worker from York, Pa.
"I started getting tingling in my fingertips. And then it started happening in my toes," he told ABC News' 20/20 anchor Chris Cuomo, who is the Chief of the Law & Justice Unit. "I started getting weaker and, you know, I couldn't walk right, off balance and I'm at this point now."
Jacoby, who now uses a wheelchair, said his doctors searched for years...Full Story