Dr. Charles Yen Chiu M.D., PH.D.

Auditory hallucinations are false perceptions of sound in the absence of an external stimulus. You basically hear voices talking to you or other noises or music, which others around you do not hear. It is a very common symptom among schizophrenics. As a percentage, about 70 percent of schizophrenic...

Oliguria is a medical term used when referring to a decreased urine output. Oliguria is considered when a person’s urine output is less than 400 mL in a 24-hour period. When it comes to infants, oliguria occurs when the urine output is less than 0.5 mL/kg/hr for 24 hours. Anuria is the absence...

OverviewA sore throat is often caused by the common cold, which can be a mild condition that resolves on its own without the need for medical treatment. However, there are also other causes of sore throats, such as strep throat and infectious mononucleosis or mono, which is caused by...

What is ischemia?Ischemia is the medical term used to describe a lack of blood flow to certain organs or body parts. Since the blood carries oxygen and other necessary nutrients to parts of the body, when blow flow is reduced these body parts do not receive the adequate amount of oxygen and...

Radiotherapy is a treatment that involves high-energy X-rays or particles, which kill cancerous cells. It is sometimes used to treat non-cancerous tumors. Studies have shown that almost half of people with cancer receive radiotherapy as a part of their treatment plan.The type of radiotherapy to be...

Sepsis is a serious medical condition characterized by an exaggerated immune response towards an infection. This response causes the release of chemicals, which results in widespread inflammation and blood clotting in different parts of the body. Sepsis may result in sudden drop in the blood...