Life Time is rolling out SpiroFit VO₂ max and metabolic testing across its North American clubs following a pilot.
As longevity and air quality concerns rise, Climatic has emerged from stealth mode with new funding and a soon-to-launch lung health product.
Strength training is all the rage, but Dr. Peter Attia used his appearance on "60 Minutes" to make the case that cardio deserves equal attention.
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