Dr. Omar S Khwaja M.D.

Insomnia is also known as sleeplessness. It is a sleep disorder where people have trouble sleeping. Insomnia is caused by several factors. People with insomnia have abnormal sleeping patterns as well as daytime sleepiness, irritability, and a depressed mood. They may also have an increased...

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...

Get to Know Your EpilepsyEpilepsy can affect people at any point in their life. There’s no specific race or gender that have a higher incidence rate of epilepsy. Until now, there was no single cause of epilepsy. The causes of epilepsy range from head injuries to birth defects to tumors and...

Multiple SclerosisIn multiple sclerosis, the body's immune system attacks the myelin (protective sheath), which covers the nerve fibers. When the myelin sheath is damaged, there would be communication problems from the brain and to the rest of the body. Depending on the severity of the disease,...

What happens when you are diagnosed with Parkinson's disease?When a person has Parkinson's disease, for unknown reasons, certain cells are destroyed in parts of the brain stem, predominantly the crescent-shaped cell mass known as substantia nigra which produces the neurotransmitter dopamine. When...

What is Wellbutrin?Wellbutrin is a brand name of bupropion. It is an antidepressant and is mainly used to treat seasonal depression and major depressive disorder. It works by inhibiting the reuptake of serotonin, dopamine, and norepinephrine. ...