The Surprising Reason Some Foods May Trigger Migraines

People who suffer from migraines often say that eating certain foods triggers their headaches, but a new study suggests that it might not always be the food per se — rather, the bacteria in the mouth may be playing a role. The study found that people with migraines harbored more bacteria in their mouths that had the ability to modify chemicals called nitrates, compared to people without migraines. Some migraine-triggering foods contain nitrates, including processed meats and green leafy ve