Dr. Melissa Ellison Frederikse M.D.

Auditory hallucinations are false perceptions of sound in the absence of an external stimulus. You basically hear voices talking to you or other noises or music, which others around you do not hear. It is a very common symptom among schizophrenics. As a percentage, about 70 percent of schizophrenic...

Reported cases of ADHD have been on the rise lately. In fact, the U.S. Centers for Disease Control and Prevention reported that as many as 11% of children between the ages of four years old and 17 years old have been diagnosed with ADHD. ADHD is a disease characterized by ongoing patterns of...

Erectile dysfunction (ED) is a condition in which a man is unable to get or maintain an erection long enough during sexual activity to satisfy his sexual needs. The condition was referred as impotence before medical research highlighted the underlying causes. Most men encounter erection problems at...

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:...

Major depressive disorder (MDD) — also referred to as clinical depression — and Dysthymia are two of the most common types of depression. While there are some less common types too, MDD is a condition that is quite common among people today. In fact, according to the National Institute of...

Depression is a state of mind wherein people feel sad, anxious, and upset all the time. It is a mental condition that affects the way a person thinks, feels, and behaves. Depression happens when people's thoughts turn completely negative and they later become distant avoiding any form of social...