We now have record numbers of centenarians. That means these people who are one hundred years are older grew up in decades where nobody said much of anything concerning your diet except to try and make sure you ate three squares a day. Lots of eggs, bacon, butter, grease, and other fatty "unhealthy" foods. How did they make it this far if all those foods were killers?
Arguably they also grew up in a time when manual labor was the norm. The people who are centenarians today tended not to have office jobs and if they did they were very active after hours.