3 ms·

Actually biological clock can be measured and indeed can differ by quite a lot of years.

• adrianN 6y ago
  "Measured" with pretty large error bars. As far as I know we don't have all that many reliable markers that predict remaining lifespan.
  • TomMarius 6y ago
    Nowadays, we have a few. I am watching /r/longevity for news of relevant research, if you're interested. > remaining lifespan Not remaining, but lived through