This is just one more instance in which the average is an extremely misleading statistic. The fact is that it's been true for a long time that if you survived c

This is just one more instance in which the average is an extremely misleading statistic. The fact is that it's been true for a long time that if you survived childhood you had a good chance of living to a ripe old age, barring accidental death. We've just gotten a lot better at reducing child mortality.