OCD is not an easy disorder to treat. In fact, some people become so desperate to rid themselves of OCD symptoms that they undergo a special form of psychosurgery known as , in which a small amount of brain tissue is destroyed.

The left side of the heart collects oxygen-rich blood from the lungs and pumps it to the body. The left and right sides of the heart are divided by walls called septums. There is an atrial septum that separates the right and left atriums, and a ventricular septum that separates the right and left ventricles.