Cold-water swimming
Humans are versatile mammals with adaptive capabilities to withstand a diverse range of conditions in their environment, such as exposure to extreme hot or cold climates. Since ancient times, cultures all around the world have exposed the body to cold temperatures as a form of health intervention. In recent times the health effects of cold-water swimming on the body have received attention through a number of scientific studies. The results suggest that while cold-water swimming initially triggers the “cold shock response”, characterized by a gasp reflex, rapid breathing, and increased heart rate and blood pressure, regular immersion in cold water leads to acclimation in the body, resulting in some important health benefits. Recent studies on cold water immersion and swimming: