Newsletter Issue No. 1007
March 10, 2022 Anti-Aging: More on Threshold, Sweet Spot and High Intensity (HIT) By Coach John Hughes I’ve written two related columns on how hard exercise increases longevity: Anti-Aging: Interval Training Increases Longevity and Anti-Aging: Interval or Fartlek for Longevity? RBR reader Glen asks a good follow up question, “Can you explain the differences between…
