Doctors noticed that patients who had sickle cell anemia, a serious hereditary blood disease, were more likely to survive malaria, a disease which kills some 1.2 million people every year.

Can we predict that natural selection will weed out genetic disease over time? Sickle-cell trait haplotype distribution shows the genetic advantages of this mutation. In the deoxygenated ...

Anemia was found, and electrophoresis established the diagnosis of sickle-cell disease ... of the cardiac defects was then undertaken under cardiopulmonary bypass. The muscle of the outflow ...