Phobia is an unrelenting fear of a situation, activity, or thing that causes one to want to avoid it. There are several types of phobias including social phobia, agoraphobia, and specific phobias. Phobias can cause intense fear, anxiety, panic, sweating, rapid heartbeat, and a desire to escape. They are often caused by genetics, trauma, family environment, and last at least six months. Phobias are assessed through questions and treated with cognitive behavioral therapy and medication to help people face their fears.