Move over longevity: Healthspan is what we should be chasing

I’ve spent more than three decades studying how exercise and diet keep us healthy. But one thing keeps showing up in the data: living longer and living well are not in sync. While we’ve partly solved the first one, we are lagging behind at the second. Over the past century, the average Canadian’s life expectancy has increased by 22 years, to roughly 80 for men and 84 for women. Medical and scientific research may push those numbers higher. However, the number of years we can expect to live in…