Dr. Thomas P. Leist 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...

What is somnolence?Somnolence is the medical term used when a person is close to falling asleep or is in a state of sleepiness. In such case, the person is not able to resist the urge of sleeping or dozing off. A person taking many psychiatric medications for bipolar disorder or any other mental...

It may start with a tremor followed by muscle stiffness and a decrease range of movement but as Parkinson’s disease progresses so do its side effects. Aside from the well-known and more common symptoms of Parkinson’s disease, a positive diagnosis also means a whole slew of secondary symptoms...

According to statistics, about 795,000 Americans are affected by a stroke. Moreover, the worst thing is that the majority of stroke victims will die from stroke-related complications. In fact, stroke is the third largest cause of death in the USA. It is particularly more prevalent in...

On average, caregivers in the United States alone spend approximately 18 billion hours caring for those with Alzheimer's disease every year. Not only that, but these hours are unpaid. It could be a terrible burden, as they often need around-the-clock care to remember simple crucial tasks. For loved...

Vertigo can vary from one person to another, sometimes being just a minor inconvenience and other times becoming a disabling condition. To address these differences, vertigo is classified either as a mild, moderate or severe vertigo. ...