Stress, anxiety and depression seem to contribute to the disorder.

Depression and anxiety might seem like opposites, but they often go together.

By the time dessert was served, his anxiety seemed to have left him.

His anxieties seemed to have been left behind in Cairo.

But from the hour she returned a strange anxiety seemed to possess the others.

Some time later, she murmured, "Yes, all anxieties seem to be gone."

Rather, anxiety seems to play a role in whether people suffer chronic pain after surgery, he says.

One community's anxiety does not necessarily seem to spread.

When there is no reply, her anxiety seems to increase.

Worries and anxiety can sometimes seem to take over your life, making you feel like everything is falling apart at once.