Because of natural selection, different alleles are more likely to confer a survival advantage in different environments. Cycles of infectious disease prevalence and virulence often reflect natural ...

Sickle cell anemia (HbSS) is the homozygous dominant variant and the most common and severe form of the disease. Whereas patients who only inherited one gene encoding for abnormal HbS and a different ...

Sickle cell disease (SCD) is a group of genetic blood disorders. A person inherits SCD from their parents when they inherit two copies of the sickle cell gene, one from each parent. This hereditary ...

Sickle cell conditions are genetic blood disorders that affect haemoglobin, the molecule in red blood cells responsible for carrying oxygen throughout the body. While both sickle cell trait and sickle ...

Doctors may carry out blood tests, prenatal screenings, and various other tests to assess a person’s symptoms and diagnose sickle cell anemia. Sickle cell anemia is a blood disorder that affects ...

September is National Sickle Cell Awareness Month, which aims to bring attention to advancing research, care practices, treatments and possible cures for people with sickle cell disease. Most recently ...