Dr. Joshua J Chern MD/PHD

Spinal stenosis is a condition where two spinal vertebrae separated by an intervertebral disc come closer as the disc wears off due to osteoarthritis, rheumatoid arthritis or trauma. When this happens, the spinal nerve that runs between them becomes compressed causing pain to the individual. The...

Oromandibular DystoniaOromandibular dystonia is a type of focal dystonia. This condition is also called cranial dystonia, in which the face, jaw, or tongue forcefully contracts and becomes difficult to open and close the mouth. Thus, a person's speech and ability to chew are affected. Cranial...

Parkinson’s Disease: It Isn't EasyTony led a normal life just like many of us. He was approaching his fifth to sixth decade, and he was the head of an engineering department--capable of making decisions and recalling those decisions. But suddenly, communication with his wife and children was...

Lobotomy is a neurosurgical procedure invented in 1935 by a Portuguese neurologist named Moniz. Moniz won the Nobel Prize in 1949 for his achievement. It was believed that lobotomy was successful in the treatment of various psychological diseases like depression, bipolar disorders, mania,...

Normal pressure hydrocephalus (NPH) is a type of brain disorder, wherein excess cerebrospinal fluid builds up in the ventricles of the brain. It causes problems in reasoning, thinking, difficulty in walking, and loss of bladder control.Brains ventricles are hollow fluid-filled chambers. Even...

What is an aneurysm?An aneurysm is the abnormal ballooning, widening, or bulging of a part of the artery usually caused by arterial wall weakness. When an aneurysm enlarges and ruptures, disastrous consequences, such as internal bleeding, usually happen.Aneurysms are usually found in the aorta (the...