Before the 80s or 90s, NFL football was played predominately by white Americans. However, after the 90s, the demographics changed to where black Americans have become the majority, despite representing only 12% of the US population. Why is that? https://www.quora.com/Before-the-80s-or-90s-NFL-football-was-played-predominately-by-white-Americans-However-after-the-90s-the-demographics-changed-to-where-black-Americans-have-become-the-majority-despite-representing-only-12-of-the-US-population-Why-is-that
Part of it is because football is dangerous and what we know about CTE today.