Blackheads occur when your pores becomes blocked by sebum and dead skin. The black colour is not dirt. When the sebum and dead skin are exposed to the air they oxidize, which turns them black.There are many ways to get rid of them, from homespun remedies to medical treatments.lackheads occur when your pores becomes blocked by sebum and dead skin. The black colour is not dirt. When the sebum and dead skin are exposed to the air they oxidize, which turns them black.
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Thalassemia: Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. Hemoglobin consists of two main protein chains called alpha and beta. There are two subtypes of the disorder (alpha and beta) depending on what portion of the hemoglobin is abnormally synthesized. Each of these subtypes can be further classified depending on the number of thalassemia genes involved.