Monday, January 11, 2010

Why Bright Light Worsens Migraine Headache Pain

Nearly 85 percent of people who suffer migraine headaches are extremely sensitive to light, a condition known as photophobia. Scientists have now found the nerves involved in this light sensitivity, pointing to future possible migraine treatments. Image credit: stockxpert

From Live Science:

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.

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