Racial Disparity Of Breast Cancer Deaths Baffles Researchers: The Roles Of Genetics And Environment Are Being Investigated

A new study that suggests that racial differences in biology could be a key reason black women are more likely to die of breast cancer than white women has reignited an intense debate among medical experts about the role of genetics versus factors such as poverty, diet and unequal access to quality health care. For nearly three decades, researchers have known about the disparity in death rates, but they have been puzzled over the reasons why. In Maryland, for example, the breast cancer death rate for black women is 15 percent higher than for white women, even though African-Americans have a lower incidence of the disease. State health officials, doctors and advocacy groups have long thought a combination of factors explained the disparit...