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Cold plunges may help your cells fight stress, new study shows

Researchers at the University of Ottawa, led by Kelli King and Professor Glen Kenny at the Human and Environmental Physiology Research Unit , conducted a study on the effects of repeated cold water exposure on cellular stress responses in young men.
The study was motivated by the rising popularity of cold plunges and aimed to understand the body's cellular adaptation to cold water exposure.
Ten healthy young men underwent one hour of cold-water immersion at 14°C for seven consecutive days, with blood samples taken before and after each session to analyze cellular behavior.
Kelli King stated, "It's like a tune-up for your body's microscopic machinery," while Professor Kenny noted, "This enhancement allows cells to better manage stress and could have important implications for health and longevity,", suggesting cold acclimation could be an important tool for building resilience.
The study suggests that repeated cold exposure can improve cellular stress response and autophagic function, potentially reducing inflammation and preventing age-related diseases; however, it remains unclear if these benefits extend to women, older adults, or individuals with certain health conditions, and cold plunges should be approached with caution due to individual health risks.

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