Obsession refers to persistent, intrusive and unwanted thoughts, images or impulses and urges. Compulsions are behaviors that the person exhibits that may help them deal with the anxiety caused by these...

Hypnosis is a process, while hypnotherapy is actually a form of psychotherapy that uses hypnosis.

Mania is basically a type of mood which is characterized by abnormally high energy levels. Mania has a variety of intensity levels, which range form mild mania to full mania with extreme energy, racing...

Dementia is a broad category of brain diseases that cause long term loss of the ability to think and reason clearly. It can be said that psychosis is in fact a symptom of an illness. Dementia can cause...