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.
It is closely related to other personality disorders (PD), such as borderline personality disorder and narcissistic personality disorder. Anxiety Anxiety is a feeling of apprehension and fear characterized by symptoms such as trouble concentrating, headaches, sleep problems, and irritability.