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The mutation which causes sickle cell disease results in an abnormal hemoglobin known as hemoglobin S (HbS), which replaces HbA in adults. [20] The human genome contains a pair of genes for β-globin; in people with sickle cell disease, both genes are affected and the erythropoietic cells in the bone marrow will only create HbS.
Hemoglobin C is found most abundantly in areas of West Africa, such as Nigeria, where Yorubas live. [15] [16] [17] Hemoglobin C gene is found in 2-3% of African-Americans [4] while 8% of African-Americans have hemoglobin S (Sickle) gene. Thus Hemoglobin SC disease is significantly more common than Hemoglobin CC disease.
Hemoglobin in the blood carries oxygen from the lungs to the other tissues of the body, where it releases the oxygen to enable aerobic respiration which powers the metabolism. Normal levels of hemoglobin vary according to sex and age in the range 9.5 to 17.2 grams of hemoglobin in every deciliter of blood. [6] Hemoglobin also transports other ...
Now, chatter about the side effects—nausea, ... This is the only FDA-approved topical treatment for hair loss and is available for women in 2 percent and 5 percent concentrations: “Minoxidil ...
Hair loss is an unfortunate, yet real, part of growing older, and if you’re still young, you may think you have at least a few years before you start seeing signs of balding. Case in point ...
Some findings also show the reduction of the sickle-cell trait in those who retain much more fetal hemoglobin than usual in adulthood. Fetal hemoglobin likely plays a role in the prevention of sickling. Elevated fetal hemoglobin levels have been observed in populations where sickle-cell disease is prevalent. [20] [5] [21]
Side effects from DHT blockers used in hair loss prevention shampoos are also uncommon. Some ingredients may cause irritation, dry skin, itchy skin or other similarly minor effects.
Haemochromatosis is protean in its manifestations, i.e., often presenting with signs or symptoms suggestive of other diagnoses that affect specific organ systems.Many of the signs and symptoms below are uncommon, and most patients with the hereditary form of haemochromatosis do not show any overt signs of disease nor do they have premature morbidity, if they are diagnosed early, but, more ...