I've read a lot of, often conflicting, dietry guidance. I have realised one very important thing: humans will very easily accept that something they enjoy is bad for them (see fat, sex etc.) So listening to what people say is bad for them is stupid. Instead I have taken a simpler approach: I observe the lifestyles of people who are healthy and live a long time. I have observed that eating simply "good, old-fashioned"…
Selection bias is something worth avoiding in understanding health studies. It’s quite likely that you know about these folks because they had the right genetics to be healthy outliers, and by extension, famous. It’s no different than saying I know x people who didn’t die of lung cancer due to smoking, which doesn’t change the implication that y% of smokers will always get lung cancer, we just haven’t figured out wha…
People have survived smoking a cigar a day for decades, but that's a terrible reason to justify the habit, especially when information says otherwise in the other 99% of cases.