Dr. Osama G. Ayad MD, FACP

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  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...

• Which Doctor Should I see if I have Anemia?

  When it comes to health problems, many people become ignorant assuming that every other infection is the common cold, and a little rest and some warm soup will suffice to make problems go away. What they fail to realize is that this ignorance not only leads to unawareness of the disease or disorder...

• What Is a Universal Blood Donor?

  IntroductionAn average person typically holds approximately 5 liters of blood. To stay alive, the body generally needs to have more than 2 liters of blood in the system. It can be life-threatening if more than 2 liters of blood is lost in the body. For this reason, simply donating blood can help...

• What Are Petechiae?

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• How to Prepare for a Biopsy

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• Do I Have Anemia?

  Anemia is characterized by the lack of healthy red blood cells or hemoglobin in the blood. It is a very common condition in teenage girls and women and may also be seen in children and men. Anemia is defined as hemoglobin levesl less than 12g/100ml in women, and less than 13.5g/100ml in men. There...