The health benefits of spending time in the great outdoors
According to a study published last month in the Archives of Ophthalmology, nearsightedness, called myopia, has increased in the U.S. by 66% since the early 1970s. And the intensity of the disorder has also increased—that is, the prevalence of people with moderate cases of myopia has nearly doubled since the 70s. Susan Vitale, an epidemiologist at the National Eye Institute…