Learn all about the uterus - its anatomy, what it is and its function in the female reproductive system.
Anxiety Disorders: What You Need to Know. Most people experience feelings of anxiety before an important event such as a big exam, business presentation or first date. Anxiety disorders, however, are illnesses that cause people to feel frightened, distressed and uneasy for no apparent reason.
Anxiety disorders include panic disorder and adult panic anxiety syndrome, in which a person experiences episodes of a crippling sense of terror and panic called panic attacks. Another common anxiety disorder is obsessive compulsive disorder, which is marked by obsessive thoughts that cause anxiety.