A piece from the NY Times last week. My prediction: what's being called dumb today will be held up as dangerous in a week or a month or a year. Why are products like this available?
Why does screen time lower bone mineral density among boys but increase it among girls? This could be a good example of a study where correlation is not causation - in other words, two things seem to be related to each other but really they are not. It's sort of like saying a blue sky causes the temperature to be hot. The sky may be blue and the weather may be warm, but the two are unrelated. Almost everyone has experienced feeling freezing cold on a perfectly clear day...