With little more than a dozen words, actor Zac Efron has spiked interest in a relatively obscure mental disorder.
In an interview with Men's Health, the entertainer was quoted as saying: "I just don't go out. People in large groups, it triggers my agoraphobia".
It's that line in a lengthy story that has people asking – what is agoraphobia? How do you treat it? And could I have it too?
