" Both his high-fat diet and his genetic predisposition for cardiovascular disease [34] could have significantly contributed to the development of the arterial calcifications"
Could would might maybe what ever the cause he had clogged Arteries
And this was his diet
" the Iceman’s last meal was a well-balanced mix of carbohydrates, proteins, and lipids, perfectly adjusted to the energetic requirements of his high-altitude trekking."
This is what I was going by .
https://www.cell.com/current-biology/fulltext/S0960-9822(18)30703-6
And had not read your links previously.
Many people have genetic predispositions to conditions, can diet ameliorate this or will it exacerbate it ?