Bacteria in our mouths may hold clues about why people get migraines

Migraine sufferers have higher levels of nitrate-reducing microbes in their mouths, a new study found. Image: PA Wire/Press Association Images   Caterina Cestarelli doesn’t always know what will trigger an excruciating migraine. Sometimes it’s skimping on sleep or missing a meal. Other times it’s smelling a powerful perfume.Whatever the trigger, it usually leads to the same place: Her tiny New York City bedroom, with lights off and blinds drawn, as she waits for the painful throbbing, waves of nausea and distorted vision to subside. “Some days I feel like staying in bed is all I can do,” said 21-year-old Cestarelli,…
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