Dr. Deborah F. Rigsby D.M.D., PH.D

Contrary to popular belief, a woman’s voice does not change with the menstrual cycle, according to a new study. This study shows that the voice remains steady during the various hormonal changes associated with the menstrual cycle, and does not become very high or shrill during any part of the...

Ever felt your mouth suddenly going dry and the need to reach for some water to get rid of the dryness? This is a condition that may occur to you frequently. It is called, fittingly enough, dry mouth. Dry mouth is a condition that can occur due to reduced amounts of saliva in the mouth. Dry mouth is...

Paranoid schizophrenia is a subtype of schizophrenia in which the patient has hallucinations, false beliefs, and delusions that a person or group of individuals, regardless if they are his close friends or loved ones, are continuously plotting against him. At times, the patient may even believe that...

Seeing blood in your urine is an alarming thing, but the truth is that it’s usually not that serious. Nevertheless, you should inform your doctor about it so that you can be properly diagnosed. Whenever a person has blood in their urine, this is referred to as hematuria.There might be an...

OverviewStomach ulcers, also known as gastric ulcers, are sores within the stomach lining. An infection caused by a bacterium called Helicobacter pylori (H. pylori) is the most common cause of stomach ulcers. Another cause of stomach ulcers is the long-term use of nonsteroidal anti-inflammatory...

Introduction Jaw pain is described as an uncomfortable, painful, and debilitating condition that can have a sudden or gradual onset. The exact symptoms also depend on the underlying cause of jaw pain. When a person has jaw pain, it can significantly affect his or her ability to speak and consume...