Dr. Ralph R. Velazquez M.D.

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  Lice lay their eggs called nits, which are placed on the hair shaft. Nits look more like dandruff but they cannot simply be shaken out of the hair like dandruff. To get rid of lice eggs, you have to follow certain steps and make sure that their eggs or nits are completely removed from the...

• Lactose Intolerance: Get the Facts

  Lactose intolerance is a digestive problem where the body cannot digest the lactose present in milk and dairy products. Lactose is naturally occurring sugar found in dairy products. It is the main carbohydrate found in all types of milk.In a very small number of cases the production of lactase may...

• What Are Hormones?

  IntroductionHormones are a special kind of chemical messengers in the body that are created by the endocrine glands. These chemical messengers control and coordinate complex processes in the body, such as growth, metabolism, fertility, and reproduction. Hormones can also influence the body's immune...

• Symptoms or Signs of Arthritis

  Arthritis is one of the oldest diseases known to humans. Arthritis can affect people and children of all ages. The pain and stiffness of the joints are serious symptoms indicating that the person may have some serious type of arthritis that needs urgent treatment. If the person delays the visit to...

• What is Lung Cancer? Get the Facts

  The Nature of Cancerous CellsEvery cell in the human body is programmed to carry out a specific role. For example, a red blood cell carries oxygen to tissues, a white blood cell wards off infection, and an intestinal cell absorbs nutrients in the digestive tract. All these cells are programmed to...

• Leukocyte Esterase Test

  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...