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High intensity interval training has been a recognized training modality for a dozen years, now, and over that time its effectiveness and versatility have proven it to be worthy of inclusion in the training regimen of any serious runner, but more than that, we now know that high intensity interval training has many health benefits, including benefits for heart health.

Resources mentioned in the episode:

Mayo Clinic Podcast, Nutrition & Fitness, The Role of High Intensity Interval Training and Stregnth Training in Cardiovascular Health.

NIH: High-intensity interval training for health benefits and care of cardiac diseases - The key to an efficient exercise protocol