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Skin cancer is the most common form of human cancer. It is estimated that over 1 million new cases occur annually. The annual rates of all forms of skin cancer are increasing each year, representing a growing public concern. It has also been estimated that nearly half of all Americans who live to age 65 will develop skin cancer at least once.
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A blue baby is an infant born with a type of congenital heart disease that causes the infant’s skin to have a bluish tint (cyanosis). Central cyanosis is a condition in which there is too much oxygen–poor blood traveling through the arteries, which normally carry only oxygen–rich blood to nourish the body. In technical terms, cyanosis is diagnosed when the level of reduced (desaturated) hemoglobin exceeds 3 grams per deciliter of blood in the arteries.
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