Summertime means swimming. But all of those water fights and games of "Marco Polo" come with a serious risk: drowning. Drowning kills about 10 people per day in the United States, and children younger than 5 are at the highest risk. But while most people are alert to the obvious signs of drowning, those signs don't happen in all cases, and not everyone realizes someone can drown even after he or she is pulled out of the water. ... Читать дальше »