PORTLAND, Ore. — Scientists and doctors have made a huge breakthrough that could help millions living around the world with multiple sclerosis.

Tom Scanlan is part of a team of researchers, doctors and scientists have created a drug that repairs the damage to nerves caused by M.S.

"This is a quest you could say that's been at least 20 years in the making so I feel we're closer than I've ever been before to making this into a new medicine that would help people,” Scanlan said.“So, it's a huge deal for me."

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