Dr. Ramnik Joseph Xavier MD

Almost every cell in the body has a primary source of energy, which is usually glucose. However, when the body doesn't have enough glucose, the liver responds by producing chemicals known as ketones, converting stored fatty acids into ketone bodies. Ketones are used as a backup fuel source when...

IntroductionNausea is an unpleasant feeling that is usually experienced before vomiting. Constant or persistent nausea is characterized by feeling nauseous for more than 24 hours. Although nausea and vomiting often come together, vomiting may occur without feeling nauseous and nausea can occur...

In most cases, dark stool may be due to the consumption of certain foods or medications. However, sometimes, passing dark stools may also indicate a serious medical condition. Foods such as black licorice, blueberries, or beets cause dark stool. After eating these foods, the stool becomes black,...

IntroductionA person's eyes can offer personality insights, and at the same time, provide warning signs about the body's overall health. When the white portion of the eyes called sclera turns yellowish in color, it is often a signal that something is not right in the body. It also indicates a...

What is constipation?Constipation is defined as not being able to pass stools in a regular manner, or being unable to fully empty your bowels. Most people experience constipation only for a short period of time. However, it can be a chronic condition to some.Chronic constipation can result in...

Celiac disease is one of the most common autoimmune disorders affecting the functioning of the gastrointestinal tract. For those with the disease, there is a reason for concern. Those with celiac disease often have malabsorption syndrome, which leads to a deficit of various minerals and vitamins. If...