Dr. David Harvey Zarwell M.D.

Since autism spectrum disorder (ASD) is a neurodevelopmental disorder, there are a variety of different symptoms. Different children with ASD will have different reactions, symptoms, and complications on different levels. Typically, autism impairs social and communication skills; however, the...

It’s sometimes difficult to understand your kids and their behavior. One moment they are happy and the next moment, they seem sad or irritated. Well, this kind of innocent behavior in children can be considered normal under certain conditions, but not always. For example, anxiety is useful and...

Knowing the warning signs of an eating disorder is important, since the early detection of an existing or developing eating disorder will give a sufferer the help he or she needs sooner. Detecting the warning signs may not always be easy. When someone has an eating disorder, they usually feel...

Depression is usually signified by extended moods of sadness and a generally low mood even when events occur that should normally lift someone’s spirits. Patients generally ignore all positive stimuli, preferring to remain in a cocoon irrespective of external circumstances. At one stage, the loss...

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:...

Autism spectrum disorder (ASD) can cause issues in crucial areas of development, such as social interaction, verbal and nonverbal communication, creative and imaginative play, and sensory processing.Children with ASD may have difficulty understanding and communicating their needs and wants to...