Movement & Recovery
Exercise and recovery claims checked against the studies: strength training, walking, Zone 2 cardio, cold plunges, saunas and sleep. What the trials found, in plain English, with every source linked.
-
Zone 2 training builds mitochondria, sharpens fat-burning, and raises VO2max, the fitness number most tied to how long you live. The honest, cited story.
-
Cold water immersion sets off a real stress hormone surge, but the viral 250% dopamine figure rests on one small study. What it does for stress and brown fat.
