`Safety signals´ may help slow down anxiety
(World News Science)

For as many as one in three people, life events or situations that pose no real danger can spark a disabling fear, a hallmark of anxiety and stress-related disorders. Cognitive behavioral therapy and antidepressants help about half the people suffering from anxiety, but millions of others do not find sufficient relief from existing therapies. Researchers at Yale University and Weill Cornell Medicine report Dec. 9 on a novel way that could help combat such anxiety: When life triggers excessive fear, use a safety signal. In humans and in mice, a symbol or a sound...