What’s Behind Bieber Fever? Neuroscience Offers Explanation

The symptoms include uncontrollable screaming, swooning and spending hours on Twitter and Facebook. It primarily affects preteen and teen girls, yet it is highly contagious and can infect mothers, too. In severe cases, sufferers camp out on sidewalks for days. "The appeal for me is, of course, that he's beautiful," said 15-year-old Emma Reeves of [...]