Alpha-thalassemias are genetic defects, very common among some populations, characterized by the reduction (alpha+) or complete absence (alpha0) of alpha-globin chain production. A large number of alpha-thalassemia alleles have been described and their interaction results in a wide spectrum of hematological and clinical pheno-types, ranging from the silent carrier state to the very severe condition of hemoglobin Bart's hydrops fetalis syndrome, which is lethal in utero or soon after birth.

Getting Started With Dumbbells

Getting Started With Dumbbells

The use of dumbbells gives you a much more comprehensive strengthening effect because the workout engages your stabilizer muscles, in addition to the muscle you may be pin-pointing. Without all of the belts and artificial stabilizers of a machine, you also engage your core muscles, which are your body's natural stabilizers.

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