![]() ![]() Indeed, in order to understand the functioning of practices such as MWH, it can be very difficult to differentiate the respective contributions of the placebo and physiological components. However, the present study confirms and clarifies some of the data.įirst of all, the fact that Wim Hof’s presence is not needed to replicate the 2014 results may seem like a detail. To study these complex practices, it is not possible to set up a randomised double-blind clinical trial. There are a range of parameters involved (instructor and ‘guru effect’, instruction time, cold, breathing, state of mind). Unlike assessing the effects of a treatment such as a drug with a single active ingredient, understanding the effects of a practice such as WHM is difficult. The continuation of this work can be found in this new study (Zwaag et al., 2022). Furthermore, these encouraging results led the researchers to propose that the practice of WHM could offer support to people suffering from autoimmune diseases by decreasing inflammation. ![]() Thus, these data showed for the first time that a consciously performed practice could modulate the autonomic nervous system and attenuate the innate immune system, both of which are classically described as being beyond the control of consciousness. It appeared that subjects trained in MWH and practicing the breathing technique during the experiment i) had fewer flu-like symptoms, ii) produced more adrenaline, iii) more of the anti-inflammatory cytokine IL-10, iv) less of the pro-inflammatory cytokines IL-6, IL-8 and TNFalpha. The researchers monitored their condition: presence of flu-like symptoms (headache, nausea, backache, etc.) and inflammatory serological markers (proinflammatory cytokines – IL-6, IL-8, TNFalpha – and anti-inflammatory – IL-10). Injected subjects practiced the breathing technique 30 minutes before the injection and 1.5 hours afterwards. In Wim Hof himself (2012) or in a small cohort (2014), the effects of MWH practice on acute inflammation were studied by injecting volunteers with endotoxin. The aim was therefore to verify the reproducibility of the 20 results, while attempting to dissect the effects of the different parameters related to this practice: is the presence of Wim Hof necessary or does a qualified instructor allow the same result? What aspect(s) of the practice (between breathing, cold exposure, both) affect(s) the subjects’ acute inflammation? with or without Wim, breathing only, cold exposure only, or both. In the last study, the researchers were able to study several small cohorts trained in different modalities, i.e. In the 2014 study, the subject was a small cohort of young men, trained by Wim Hof. In the 2012 study, the subject was Wim Hof. In all three studies (Kox et al., 2012 Kox et al., 2014 Zwaag et al., 2022), scientists induced acute inflammation in subjects by an experimental protocol of injecting an endotoxin. For more information, I invite you to read a previous blog post on this subject. This protocol alone does not allow robust conclusions to be drawn about infection control. Thus, this study is a logical continuation of those published in 20, on the intervention of WHM in the context of acute inflammation.Īt the risk of insisting, let me remind you that the protocol tested, by injection of endotoxin/LPS, allows to study the effect of an intervention, in this case on the practice of WHM on acute inflammation. This research was carried out by the team of the Radboud University Medical Centre, which had already studied this issue in the past. On the other hand, voluntary cold training seems to have an effect on the severity of flu-like symptoms.Ī new study on the effect of the Wim Hof Method (WHM) on inflammation has just been published (Zwaag et al., 2022). However, cold exposure training alone has little effect on this inflammation protocol. Combined with breathing techniques, cold exposure training seems to reinforce the effects of the latter. Not only does it confirm the previous data, but it also shows that the breathing technique is the most important factor in reducing inflammation. ![]() A new study has just been published on this subject. It has been shown that practicing the Wim Hof Method can reduce acute inflammation. ![]()
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