Actual medical professionals know why though.
Spirometers use a race-based correction or a so-called ethnic adjustment, which assumes a 10–15% smaller lung capacity for Black patients and 4–6% smaller lung capacity for Asian patients compared with their White counterparts.
Dongle 8 points 2.4 years ago
Egalitarians want to believe that race is just “skin color” and are offended that there might be substantive biological differences between the races.