there's a few obvious things, poverty and worse economic conditions and thus worse medical care, higher rates of obesity, as the article points out cardiovascul

there's a few obvious things, poverty and worse economic conditions and thus worse medical care, higher rates of obesity, as the article points out cardiovascular diseases are generally considered to be a driver of mortality rates. As for racism, a known observation is that black women in particular are treated as "tough" and tend to not have symptoms taken as seriously, as far as I'm aware that even holds when the doctors are black. It's a bad and very old stereotype.