How fit are you, really? Finding Your VO2 Max Without Spending $150

What best predicts your future health?

  • Your weight?
  • Your body fat ratio?
  • Cholesterol?

It all pales against your aerobic fitness – that is the top amount of oxygen that your heart and lungs can feed your body with. It’s also called maximum oxygen uptake and it’s measured in VO2 max. Read More

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What is deep sleep and how much do we need of it? Part 2: The Experiment

We should be getting around 45% of deep sleep, as measured by SleepCycle and the Jawbone Up.

I was getting less than that.

In the last two weeks, I tried to push my deep sleep to the recommended 45%.

Did I manage? Read More

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