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.
1 Generalized anxiety disorder (GAD) is a mood disorder that is characterized by multiple and/or nonspecific worries that interfere with the person's life in some way. 2  The most common anxiety disorders are specific phobias.