New research has found that cold water can actually change your cells. Seven days of cold - water immersion can significantly improve cell elasticity and autophagic function, helping cells better manage stress. This adaptation can enhance health and lifespan, potentially prevent diseases, and slow down aging at the cellular level.

Have you ever wondered what happens to your body when you take those trendy ice baths? Scientists at the University of Ottawa have just found out, and it's really fascinating.

A new study conducted by the Human and Environmental Physiology Research Unit (HEPRU) at the University of Ottawa has revealed important findings about the effects of cold - water acclimation on autophagy (the cellular recycling system that promotes cell health) and apoptosis (programmed cell death that clears damaged cells) responses in young men. The study highlights the potential of cold exposure to enhance the cell's ability to resist stress.

The study, led by post - doctoral fellow Kelli King from the School of Human Kinetics at the University of Ottawa and HEPRU director Glen Kenny, involved 10 healthy young men who immersed themselves in 14 °C (57.2 °F) cold water for 1 hour continuously for 7 days. Blood samples were collected to analyze the participants' cellular responses before and after the acclimation period.

"Our results suggest that repeated exposure to cold can significantly improve autophagic function, a key cellular protection mechanism," said Professor Kenny. "This enhancement allows cells to better manage stress and may have important implications for health and longevity."

The study shows that although autophagy was initially dysfunctional after high - intensity cold stress, autophagic activity increased and cell damage signals decreased after 1 - week continuous exposure.

"At the end of the acclimation, we noticed a significant improvement in the participants' cellular cold tolerance, indicating that adapting to a cold environment can help the body effectively cope with extreme environmental conditions."

The significance of this study extends beyond sports performance. Cold - water immersion has gained popularity due to its potential health benefits, and this study provides some scientific basis for its efficacy. The results suggest that proper autophagic activity can not only prolong cell lifespan but also prevent the occurrence of various diseases.

As the use of cold exposure becomes more mainstream, it is crucial to understand its impact on cellular mechanisms. Professor Kenny emphasized, "This work highlights the importance of acclimation protocols in enhancing human health, especially when individuals are exposed to extreme temperatures."

"We were surprised to find that the body adapts so quickly. Exposure to cold may help prevent diseases and even slow down aging at the cellular level. It's like making adjustments to the microscopic machines in your body."