By Carissa Wong.
Black men in the US who are in their fifties are more likely to have emphysema than white men of the same age, because they have better-than-normal lung function. The need to tackle health inequalities is highlighted by the findings.
It was surprising to see the high rates of emphysema in Black men who we would consider to have above normal lung function.
Toxic chemicals from smoking and air pollution can cause emphysema, a condition in which tiny air sacs in the lungs are damaged.