The cold water plunge has gained popularity in recent years as a wellness trend, with many health experts and influencers promoting its benefits. These claimed advantages include reduced inflammation, heart health improvements, and weight loss. Wim Hof, also known as the “Iceman,” is a prominent figure in this space. He developed the Wim Hof Method (WHM), which integrates cold exposure and a specific breathing technique aimed at enhancing physical and mental resilience. Hof, an extreme athlete from the Netherlands, has set numerous records related to cold water exposure.
Advocates of the Wim Hof Method frequently highlight its positive health impacts. However, there have been reports of adverse effects and even drownings associated with the technique. Recently, new research has raised questions about the validity of these claims. A systematic review published on September 11 in *PLOS ONE* was unable to confirm the efficacy of the WHM in cold water therapy.
One key aspect of the study was its focus on the potential for the Wim Hof Method to reduce inflammation in healthy individuals. Dr. Omar Almahayni from Warwick Medical School, one of the study’s authors, explained that while this aspect is compelling, it is essential to interpret the findings cautiously. The studies reviewed had notable concerns regarding bias risk, and the research is still in its early stages. Furthermore, Almahayni emphasized that the studies included in the review had small sample sizes and low methodological quality, making it difficult to draw definitive conclusions about the method’s effectiveness.