Dr. John Harrison Heiligenstein M.D.

It’s normal for young children to feel anxious when they're separated from a loved one. However, when this fear occurs in a child above six years of age, is intense, and persists for more than four weeks, the child may have separation anxiety disorder.What is Separation Anxiety Disorder?Separation...

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...

As children grow, they go through several emotional and mental transformations. Some children become too shy to confront another person, while others become too mischievous. However, it becomes difficult for parents to determine their children’s behavior when they react unexpectedly to a...

Regardless of the importance of non-medical treatment options for depression like talk therapy and physical exercise, none of them can be as quick and effective as medication. The primary form of medication for depression is antidepressants which help boost brain activity and alleviate depression...

An eating disorder is usually classified as any one of a broad range of psychological disorders, but more specifically ones that demonstrate eating habits that are abnormal or absurd. The most common eating disorders are anorexia nervosa, bulimia nervosa, and binge-eating disorder. Anorexia refers...

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:...