It heats the air it zips through to five times the surface temperature of the sun. Still, around 90 percent of lightning-strike victims survive. Over the past three decades, lightning has killed an average of 51 people per year in the U.S. but left more than 500 injured and alive.
Computer vision syndrome. Computer vision syndrome (CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time.
PCOS is a syndrome disease defined by a collection of signs and symptoms. The symptoms of PCOS that one patient experiences can be very different from the symptoms of another patient. If you have two or more of the following symptoms, you need to have a thorough checkup to determine if you need PCOS treatment: