Dr. John D Napoli M.D.

Hypothyroidism is a disease that affects the metabolic rate and energy levels of the body. It is characterized by a defect in the thyroid gland that reduces the production of thyroid hormones, the hormones responsible for regulating the metabolism of the body. Hypothyroidism is characterized by...

One might avoid animal products for a number of reasons – dietary, medical, cultural, ethical, or religious beliefs. Many vegetarians, who eat or use animal products, for one or many of the above said reasons, are unaware of the fact that most drugs contain animal products. Many drugs contain...

What is irritable bowel syndrome (IBS)?Irritable bowel syndrome (IBS) is a common gut disorder. Irritable bowel syndrome (IBS) is unlike inflammatory bowel disease and differs from other bowel conditions. It is a group of several symptoms such as abdominal pain, bloating, cramping, constipation,...

Leukocyte Esterase Urine TestLeukocyte esterase (LE) is an esterase produced by white blood cells (WBCs) or leukocytes. A leukocyte esterase test is a urine test used to detect the presence of white blood cells and other health conditions associated with infection.Normally, leukocyte esterase...

What is paronychia?Paronychia is a form of skin infection that occurs around the fingernails and toenails. Bacteria, Candida (yeast), or a combination of both microorganisms usually cause this infection. Paronychia may gradually or suddenly develop depending on the root cause of the infection. Its...

Introduction An average man ejaculates 1/2 teaspoon to 1 teaspoon of semen. This small amount of semen contains millions of sperm cells. It only takes one sperm to fertilize an egg, but each sperm has a limited life span, which begins once it leaves a man's body.For a couple trying to have a baby,...