Trouble is .... medical profession change their minds about every 5 years, it's OK for dark chocolate now, red wine, eggs again, even coffee, all just about banned for anyone who had some interest in their health and longevity a few years ago.
Of my early days flying colleagues who have keeled over, most were of the frenzied exercise freak persuasion.
One had his licence suspended for awhile due to a suspicious ECG, turned out he had an ECG trace abnormality that is only apparent in the top strata of super-fit athletes.
Not a lot of people know that ( Including aviation medical examiners ! )
Had a Flt Eng, once who said that when the med. prof. got around to deciding that lying on the coach, drinking beer and eating Smiths' Crisps were the way to go - he was way ahead of the game. He's stilll around.
Ask 2 people - get 4 answers.
Sensible eating, and moderation in all things without getting fanatical about anything, seems to work. I think a lot of it is genetic, so there's damn all you can do about it.