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Nathan Auck's avatar

Not sure if Joan’s comment is tongue in cheek or not above, but If so, well played! Dr. Pontzer suggests after we reach equilibrium regarding incorporating exercise into our daily lives, we have the ability to manage roughly 600 calories worth of energy expenditure through hormone fluctuation, reproductive system alterations and the like internally (exercise above this threshold is the natural Ozempic). As you mention Michael, reaching this plateau in calorie burning means we’re reaping the most benefits we can from our exercise, those that the evolution of our species lead us to need.

I think most people think adding in exercise makes a sedentary person healthier, but Dr Pontzer suggests it’s a more accurate relationship to think about not exercising makes an average person unhealthy. Everyone should think of 4-600 calories of exercise per day as a mandate for a healthy lifestyle, but they can do it in whatever form they want!

As usual, great content. I look forward to these every M, W and F!

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Dana Margulies's avatar

I've been outrunning diet for the last 7 years. I started ultra-running (50Ks then 50 milers and now several 100 milers) when i was 30 after sustaining an injury to my shoulder in the gym. Before I started running 30-40 mile weeks i would fluctuate weight from 145-175. For the last 5 years i've been consistently 155-165 lbs - no matter what i eat. It's quite nice but I know it won't last forever. If i ever have to reduce my activity i know i will need to watch what i eat.

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