Dr. Po-heng Tsai M.D.

Causes of Fainting A person faints or loses consciousness for a brief time when the brain does not get enough oxygen. Fainting or passing out is also medically called syncope. Before fainting, people may experience lightheadedness, dizziness, weakness, and nausea. Others describe fainting as...

Epilepsy is a chronic neurological disorder with seizures as its main symptom.Epilepsy in the Body: What are the Effects?Epilepsy is a common brain disorder affecting almost three million Americans. This condition can be caused by an injury or illness but most cases have no known cause. Epilepsy is...

Restless legs syndrome is a condition that causes an overwhelming sensation that urges you to move your legs. Symptoms are more prevalent during rest and become worse at night. For mild symptoms, treatment isn’t necessary since the illness will naturally pass by within a few days or weeks....

Christian Dunn is a 2-year-old with a rare form of congenital muscular dystrophy called Congenital LMNA muscular dystrophy. Christian’s muscular dystrophy weakens his muscles as time progresses. He is unable to sit unassisted, Christian can’t stand, and he will never walk. ...

What is Epilepsy?Epilepsy is a brain disorder in which a person experiences recurring seizures.In a normal brain, the nerve cells transmit chemical and electrical signals to other nerve cells, glands, and muscles. In the case of patients with epilepsy, the nerve cells (also known as neurons) fire...

MS is the result of an abnormal response by the body’s immune system. This response results in an attack on the central nervous system — the brain, spinal cord, and optic nerve. Specifically, the immune system attacks the protective coating around the nerve fibers — myelin — creating scar...