While we're on the subject of obesity, kids who get more sleep at night tend to weigh less than their peers who don't get as much shut-eye. That's according to a new study from Northwestern University. Researchers there found that each hour over seven hours of sleep reduces the chance a child will be overweight by about thirty to 35 percent. So how much sleep do kids really need? The National Sleep Foundation recommends that kids age five to 12 get 10 or 11 hours a night and that teens get eight to nine hours.
We can't see them but scientists want to remind us that bugs are literally crawling all over our skin. We should be thankful our eyes are not that good because using powerful molecular technology scientists at New York University Medical Center can see that the skin is a "virtual zoo of bacteria" hosting at least 182 species. But before you start power-washing researchers say bacteria are not always bad guests, some are actually helpful in keeping away diseases.
You've probably been advised not to judge a book by its cover, especially when it comes to relationships, but that's what a lot of people do! social psychologists from the University of Michigan asked hundreds of men and women to review photos of men's faces. Both genders rated the more masculine faces as risk-takers and less faithful in relationships while less-macho male illustrations were picked as the best husbands and fathers.