When a migraine hits, many sufferers hide out in a dark room, away from the painful light. Now scientists think they know why light makes migraines worse.
New research on humans and rats has revealed a visual pathway in the brain that underlies this light sensitivity during migraines in blind individuals and in individuals with normal eyesight.
"Clinically, this research sets the stage for identifying ways to block the pathway so that migraine patients can endure light without pain," said Rami Burstein, a professor of anesthesia and critical care at Beth Israel Deaconess Medical Center and Harvard Medical School in Boston, Mass.(Read entire article)
The culprit, they say, is a new
pathway that underlies sensitivity to light during migraine episodes in blind
people and people with normal eyesight. Scientists at