Allegedly Ancel Keys’ has cherry-picked countries to support the ‘saturated fat’ hypothesis. The countries he allegedly ignored are shown in the graphs below and clearly show the importance of picking cherries …
Fat and CVD Risk

YERUSHALMY, J., & HILLEBOE, H. E. (1957). Fat in the diet and mortality from heart disease; a methodologic note. New York State Journal of Medicine, 57(14), 2343–2354.