Many leaders from within the African American community and beyond rose to prominence during the Civil Rights era, including Martin Luther King, Jr., Rosa Parks, Malcolm X, Andrew Goodman and others. They riskedâand sometimes lostâtheir lives in the name of freedom and equality.
Cancers believed to be caused by contact with Agent Orange. 1  Chronic B-cell Leukemia: A type of cancer that affects your white blood cells (cells in your bodyâs immune system that help to fight off illnesses and infections)
The exact cause of leukemia is not known, but it is thought to involve a combination of genetic and environmental factors. Leukemia cells have acquired mutations in their DNA that cause them to grow abnormally and lose functions of typical white blood cells.It is not clear what causes these mutations to occur. One type of change in the cells' DNA that is common in leukemias is known as a chromosome translocation.In this process, a portion of one chromosome breaks off and attaches to a different chromosome.he exact cause of leukemia is not known, but it is thought to involve a combination of genetic and environmental factors. Leukemia cells have acquired mutations in their DNA that cause them to grow abnormally and lose functions of typical white blood cells. It is not clear what causes these mutations to occur.