Walk Faster or Perish

People who walk faster tend to live longer.

Jama article
This chart shows how many more years you can expect to live given your walking speed. for instance a 65 year old walking at 0.2 metres per second might reach 72, but someone walking at 1.6 metres per second would on average reach 97.

This is a serious peer-reviewed study, unlike most of the pseudoscience I come up with !