The internet is full of little snippets of 'gosh' knowledge:
"The observation of individuals attaining remarkable ages, and their concentration into geographic sub-regions or ‘blue zones’, has generated considerable scientific interest. Proposed drivers of remarkable longevity include high vegetable intake, strong social connections, and genetic markers.
…
These [extreme old-age] data reveal that remarkable age attainment is predicted by indicators of error and fraud, including illiteracy, poverty, high crime rates, short average lifespans, and the absence of birth certificates."
from "Supercentenarian and remarkable age records exhibit patterns indicative of clerical errors and pension fraud",
Saul Justin Newman bioRxiv 704080; doi: https://doi.org/10.1101/704080
This was awarded an Ig Noble Prize (for scientific research that makes you laugh, then think) in 2024.