LEARN It! Challenge 1 of 6
In Progress

Sickle Cell Has Many Faces.

Did you know that sickle cell disease (SCD) affects millions of people throughout the world? Although SCD is most common among African Americans in the United States, it can also affect Hispanics and people whose ancestors come from countries in South Asia (such as India), southern Europe (such as Greece and Italy), and the Middle East (such as Saudi Arabia and Lebanon).