Chronic heat may speed up aging, farm runoff could raise preterm birth risk, and stressful jobs might spike diabetes. Plus: the calf-raise hack that saves your Achilles (and your runs).
Lift before cardio for more fat loss, sperm health predicts longevity, and should you take NMN or NR? Plus: the 4-minute fix for “nerd neck” that saves your spine (and your breathing).
