From a recent ad spotted in Running Times magazine, we discover a way to get oxygen into the bloodstream of athletes without using the lungs. Yes, it's SportsOxy Shot from Scientific Solutions LLC. They're selling "super oxygenated" water that's supposed to drastically improve athletic performance. A "serving" is 10 milliliters and it contains 15 volumes percent O2. Hmmm, a quick back-of-the-envelope calculation reveals something interesting. Let's say we have a decent (though not elite) runner with a VO2max of 60 ml O2 per kg per minute. Further, let's say that they're running at an easy…
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