It's not only caused by needing corrective lenses. Leading eye doctors share which conditions—big and small—can cause blurry ...

Storm systems, heat waves, bright sunlight, even lightning — for millions of people, weather changes can bring on painful headaches.

Air pollutants like ozone and nitrogen dioxide can cause inflammation in the nerves that play a role in migraines. Bright sunlight can also be especially bothersome, likely due to heightened ...