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 is a normal reaction to stress. Ongoing anxiety, though, may be the result of a disorder such as generalized anxiety disorder, panic disorder, or social anxiety. Anxiety disorders are commonplace in the U.S., affecting nearly 40 million adults.