Dr. Glenn A Roberts D.O.

A dark stool refers to a stool that is either black or dark red in color. You may pass dark bowel movements after consuming dark-colored foods or when an injury or bleeding is present in your gastrointestinal tract. If you pass dark or bloody stools, see your doctor immediately to rule out serious...

The ABO (A, B, AB, or O) blood group system is used to classify different types of antibodies in the plasma and antigens in the red blood cells (RBCs). The ABO blood group and RhD antigen determine the type of blood that is a perfect match for blood transfusions. The four ABO blood groups are: ...

Extreme thirst is medically referred to as polydipsia, which is believed to be the first signs of diabetes. Polydipsia can also be accompanied by dry mouth, which could be constantly or temporarily experienced.In order for the body to function properly, it is important to drink an adequate amount of...

What is pleurisy?Pleurisy is a condition, in which the lining that surrounds the lungs and the interior of the chest cavity is inflamed. Due to the inflammation of the pleura, this condition is also called as pleuritis. The pleural space is the space between the lungs and the chest cavity wall....

Lower back pain is a common problem experienced by most people at some point during their lifetime. There are several causes for lower back pain with sciatica, and the intensity of pain can range from dull to quite severe. Men and women are equally affected by this condition. Most cases of back pain...

Chronic Obstructive Pulmonary Disease (COPD) and lung cancer are two ends of the same spectrum. Though vastly different in core characteristics, they share many symptoms such as painful wheezing, a persistent cough, and the production of copious mucus. Both these diseases have similar causes and...