Today in 1977, Roy Sullivan was struck by lightning for the 7th time. He is in the Guinness Book of World Records as the most lightning-struck person in the world. Experts say a direct lightning strike is almost always fatal. You can actually be indirectly struck by lightning if you're touching or just standing near a person or object that is hit by lightning.

Experts have found that as many as 80-percent of lightning strike victims are left with long-term injuries from the experience. Keraunomedicine (ker-RON-oh-MED-eh-sin) is the medical study of those who have been struck by lightning. Check out this video detailing Roy Sullivan's life among the flashes: