Dr. Andrew Long Chesson M.D.

Parkinson’s disease is a chronic, progressive movement disorder that affects the nervous system. It is characterized by gradual death and breakdown of nerve cells in the brain resulting in the decreased production of a chemical messenger called dopamine. Reduced dopamine levels cause abnormal...

IntroductionDysphagia is the medical term for difficulty swallowing. A person with dysphagia finds it more difficult to move liquid or food from the mouth to the stomach. Dysphagia is most likely caused by muscle and nerve problems. When food is swallowed, multiple muscles and nerves are...

A person's age or status does not matter when dementia is in the picture. Dementia is a blanket term for deterioration in mental and cognitive ability. Over time, dementia can progress enough to interfere with someone's daily life. ...

Muscular dystrophies are a group of diseases that make the muscles of the body weaker over a period of time. The muscles become less flexible in this condition. Out of the nine types of muscular dystrophy, Duchenne muscular dystrophy is one of the most common.The main characteristics of this medical...

Alzheimer's disease drags its victims into a nightmare of confusion, frustration, and often depression with no known long-term remedy. Still, it is a disease few young people talk or even think about. Seth Rogan, known for his roles in This is the End, Sausage Party, Neighbors and Pineapple Express,...

There are a number of potential causes of back pain, but most of them are rare. Most cases of back pain, particularly those that go away with or without over-the-counter treatment, do not require a visit to the doctor. However, if your back pain is accompanied by any of the following signs and...