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.
What is an Anxiety Disorder? Anxiety disorders are the most common mental health disorders. They affect 18% of adults in the United States in any given year, with a lifetime prevalence of 29% of all Americans (National Institute of Mental Health). Nearly all people experience anxiety at times, such as prior to public speaking or taking an exam.