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VO2 max is one of the most clinically validated markers of cardiovascular fitness. It's also one of the most misunderstood numbers on Apple Watch — partly because the metric itself is solid but the wr

By Emma Thompson — Luxury wellness travel writer. Finding the world's best retreats. A single session of floatation-REST (Reduced Environmental Stimuli Therapy) has been clinically shown to significantly reduce cortisol levels by up to 21% in partici...
