Cold plunges can activate brown adipose tissue (BAT), a heat-producing fat that increases energy expenditure during cold exposure—but the calorie burn is typically modest...

Essential Cold Plunge Maintenance Cold plunge maintenance requires combining user hygiene, regular water chemistry testing, mechanical filtration, and periodic deep cleaning to keep water...

Cold plunging temporarily mobilizes immune cells through a stress-hormone response, but evidence does not show it "boosts" immunity or prevents infections; benefits appear short-term...