Dr. Harvey G Klein M.D.

What is Anemia? Anemia is not a medical condition, but a symptom wherein there is a decreased number of red blood cells in the body. Anemia is said to be the most common blood disorder and is actually a side effect when other illnesses either disturb the body's ability to produce healthy red blood...

Lymphocytes are a type of white blood cell produced in the bone marrow. A few lymphocytes enter the bloodstream while some move into the lymphatic system. Having a low or high lymphocyte count can help identify a person's medical condition. Normal lymphocyte counts usually vary from one laboratory...

Porphyria is an inherited group of disorders that affect the skin and nerves. Porphyria that affects the skin is referred to as cutaneous porphyria, while the condition that affects the nerves is known as acute porphyria. Both types result in the accumulation of the chemical porphyrin in the body....

Anemia is a medical condition in which the count of red blood cells in the blood is lower than the normal number. This can occur due to many reasons such as deficiency of some vitamin, iron or it can also be hereditary. It is one of the most common disorders of blood and there are reports suggesting...

Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...

Although requiring a definite medical diagnosis, leukemia doesn’t show any symptoms in patients suffering from slow growing leukemias. Whereas, the rapidly growing types show general symptoms like frequent infections, vulnerability to easy bleeding & brushes, fatigue and weight loss. The signs...