July 16, 2012 - Concussions appear to be increasing in college football players. Walter Reed National Military Medical Center monitored the rate of concussions in three college football programs from 2009 to 2011. Head injuries doubled during that time. In 2010, the National College Athletic Association began requiring athletic programs to report signs and symptoms of concussions and remove injured players from the game.
Also, sleep apnea appears to be worse during the winter months. Brazilian researchers tracked thousands of people who were tested at a sleep clinic. During the winter patients stopped breathing in their sleep an average of 18 times per hour - compared to 15 times an hour during the summer. Doctors aren't sure why but speculate that winter related conditions like colds can aggravate sleep apnea.
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