Alistair Brownlee @AliBrownleetri · 04 Sep 2026
Averages are incredibly useful in sports science. But they can hide just how differently people respond. Altitude is a good example. Across 1,045 arrival nights, ~15% saw SpO₂ fall by ≥5 percentage points. Even at roughly the same altitude, the gap between the most sensitive https://t.co/HGNLd9csO1
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