Dr. Sam Peter Pappas MD

Empathetic behavior and body language are both associated with genetic variations, according to a study published in, Proceedings of the National Academy of Sciences. Thus, a smile or nod of empathy may explain the type of genes the individual has. Individuals who display more empathetic behavior...

What is cholesterol?Cholesterol is primarily produced in the liver, which makes approximately 1,000 milligrams of cholesterol per day. However, it can also be produced by the cells lining the small intestines and also by each cell present in the body. Abnormally low cholesterol levels would mean...

Urinary tract infection, or UTI, is the infection of any part of the urinary tract, including kidneys, urinary bladder, urethra, and ureters (tubes connecting the kidneys to the bladder). The most common among them is the infection of bladder, which when treated immediately, can prevent infection of...

Sperm cells in the testicles are able to mimic the embryonic stem cells and can develop into any of the adult cells in the body. These germ cells, also called spermatogonial cells, belong to the adult stem cells and are the precursor of sperm cells.Based on a new study published in the online...

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...

Ferrous sulfate is an essential mineral and a type of iron used for the treatment of iron deficiency anemia (IDA). When a person lacks iron, symptoms such as tiredness, shortness of breath, and decreased physical performance may be experienced.  Low levels of iron in the body can be treated by...