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Study explains why light worsens migraine headaches
Date:1/10/2010

f electrical signals that was converging on these very cells," says Burstein. "This increased their activity within seconds."

And even when the light was removed, he notes, these neurons remained activated. "This helps explain why patients say that their headache intensifies within seconds after exposure to light, and improves 20 to 30 minutes after being in the dark."

The discovery of this pathway provides scientists with a new avenue to follow in working to address the problem of photophobia.

"Clinically, this research sets the stage for identifying ways to block the pathway so that migraine patients can endure light without pain," adds Burstein.


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Contact: Bonnie Prescott
bprescot@bidmc.harvard.edu
617-667-7306
Beth Israel Deaconess Medical Center
Source:Eurekalert

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