Dr. William M Nissen MD

Maslow’s theory of needs describes sex as one of the basic requirements of human beings. The feelings of pleasure and contentment experienced during sex are rooted in the brain. Contrary to popular belief, our brain is the primary sex organ. When an individual indulges in sexual activity, our sex...

Antisocial Personality DisorderAntisocial personality disorder, also called sociopathy, is a type of personality disorder that is characterized by irresponsible, criminal, and impulsive behavior. A person with antisocial personality disorder is often reckless, dishonest, and manipulative with no...

Trypophobia is a term that was created way back to refer to a certain kind of phobia. It is not an official name and you can’t even find it in the official list of phobias. However, the kind of phobia that this term is used to refer to is as real and as natural as it gets. That should explain why...

Depression is a serious mood disorder that can really change the way people live their life. However, depression can be treated with the help and support of people who truly care about the welfare of a person who is depressed. Most people who frequently feel depressed need intervention and treatment...

Schizophrenia is a serious mental disorder involving a breakdown that drastically affects how a person thinks, feels, and behaves. The disorder has five subtypes, one of which is disorganized schizophrenia. Its very name implies the typical and predominant characteristics by which it is identified:...

If you think the symptoms you’re experiencing are related to the attention deficit hyperactivity disorder (ADHD), you may need to consult your medical practitioner. If you’re bothered by your child’s condition, it would be wise talking to the teachers before seeking medical attention. This...