sickle cell anemia vs. anemia

sickle cell anemia

noun

Pathology.

a chronic hereditary blood disease, occurring primarily among Africans or persons of African descent, in which abnormal hemoglobin causes red blood cells to become sickle-shaped and nonfunctional, characterized by enlarged spleen, chronic anemia, lethargy, weakness, joint pain, and blood clot formation.

anemia

[uh-nee-mee-uh] / əˈni mi ə /

Or anaemia

Pathology. a quantitative deficiency of the hemoglobin, often accompanied by a reduced number of red blood cells and causing pallor, weakness, and breathlessness.
a lack of power, vigor, vitality, or colorfulness.

His writing suffers from anemia.