Abnormal hemoglobin causes deformation of red blood cells, which can become lodged in capillaries; also confers resistance to malaria.
1/625 of sub-Saharan African origin
Defective chloride channel (CFTR) in epithelial cells leads to excessive mucus in lungs.
1/2500 of European origin
Defective enzyme in phenylalanine metabolism (tyrosine hydroxylase) results in excess phenylalanine, leading to mental retardation, unless restricted by diet.
1/10,000 of European origin
Defective hexosaminidase enzyme leads to accumulation of excess sphingolipids in the lysosomes of neurons, impairing neural development.
1/1000 Eastern European Jews
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Prevention is better than a cure. Learn how to cherish your heart by taking the necessary means to keep it pumping healthily and steadily through your life.