Rachael and her husband, John, love to hit the gym in the mornings and stay fit, and they're volunteering to try out a new fitness challenge from Dr. Ian Smith! They're working out with him and trying his SHRED 27 minute cardio workout. Plus. he's explaining the benefits of “HIIT,” High Intensity Interval Training as well as the best foods to eat before and after your workout!

Dr. Ian Talks High Intensity Training

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Dr. Ian's Post-Workout Tips

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