Dr. Matthew Dean Willis MD, MPH

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...

Depression and AnxietyDepression and anxiety are disorders that are different from each other, but people suffering from depression often have symptoms that closely resemble those of anxiety. The disorder, in fact, starts out as anxiety, and if not treated at the right time with the right diagnosis,...

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...

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...

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:...

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...