There are few treatments available for the millions of people who suffer from migraines. New early-stage research now offers hope.

Studies presented Tuesday at the American Academy of Neurology's annual meeting suggest that two new drugs may prevent migraines by blocking a protein.

"We've identified a new preventive treatment for migraines, something that reduces frequency, the number of attacks and severity of attacks, how bad the attacks are," said Dr. Peter Goadsby, co-author of both studies and professor of neurology at Kings College, London and the University of California, San Francisco. "The results herald a new mechanism for the preventive treatment of migraines."

(READ more at CNN)