[superpermutat0r]

Inuits did not adapt to their diet. Maasai adapted well but still not enough to avoid severe atherosclerotic build up, there's Maasai people ~20 years old dying from atherosclerosis.

It's not just AHA recommendations based on epidemiological studies, it's also the vast amount of data showing that unfortunately, cultural diets high in animal fat and protein eventually get the best of you.

Scientifically watching these kinds of interventions and showing they have positive outcomes still does not mean that practicing the intervention long-term is fine.