Check These Unusual Headaches Triggers
A headache can be triggered by a variety of reasons. For example, dried, smoked or aged foods like cheeses or salami contain sulfites, which dilates the blood vessels. Other are fragrances and smells, like gasoline, perfume or tobacco, the computer screen brightness, which stimulates the optical nerve, and dehydration, which narrows the blood vessels. Check all the causes of headaches. More info click here.