Dr. John R. Valdin MD

Epilepsy, also classified as seizure disorder, is a neurological disorder affecting the nervous system. A seizure is the result of electrical activity disturbance in the brain.There is no single cause for epilepsy for about half of the population with this condition. In other cases, the cause of...

What are leukocytes?White blood cells (WBCs) are also called as leukocytes. They protect the body from infections by fighting foreign invaders such as viruses, bacteria, fungi, or parasites. Phagocytes and lymphocytes are forms of white blood cells (WBCs).Phagocytes engulf foreign particles like...

It is very hard to diagnose lupus. Since two individuals can have different signs of lupus, doctors have a hard time diagnosing it and treating it effectively. To diagnose lupus, it can take a long time, which can be distracting to both the doctor and the affected person. The symptoms of lupus can...

Hematuria is the phenomenon in which traces of blood appear in the urine. It presents a unique problem because it is not a disease in itself. It is not infectious, nor is it capable of threatening a life. It is merely a warning sign that something is wrong inside the body. Though frightening in...

Kidney stones are also known as renal calculi. The occurrence of kidney stones is known as nephrolithiasis. Kidney stones in the urinary tract lead to a condition known as ureterolithiasis. Kidney stones are seen as a common occurrence in the medical world. One in twenty people tend to suffer from...

Vertigo is a fairly common condition that causes an individual to feel as if their head is spinning and he or she becomes dizzy. It is usually temporary, only for a few seconds to minutes, occurring only when you make sudden head movements, but sometimes it can be so severe that it begins to...