“…Additionally, frequent sauna use (four to seven saunas per week) is associated with a ∼65% reduction in the risk of developing dementia or Alzheimer's disease (Heinonen & Laukkanen, 2018) and a 62% reduction in the risk of stroke (Kunutsor et al., 2018). Likewise, the beneficial effects of Waon therapy include reductions in blood pressure and cardiac‐related hospitalization for patients with chronic heart failure (Conceição et al., 2018; Ye et al., 2020). Narrative reviews, commentaries (Cheng & MacDonald, 2019; Coombs & Tremblay, 2019; Tipton, 2018) and primary investigations have reported broad beneficial effects among a range of health conditions, on leg vascular function (Engelland et al., 2019, 2020; Romero et al., 2017), skeletal muscle capillarization (Hesketh et al., 2019), glucose metabolism (Kimball et al., 2018; Leicht et al., 2019), insulin sensitivity (Hesketh et al., 2019), blood circulating factors (Brunt et al., 2018; Kojima et al., 2018) and cerebral function (Bailey et al., 2016; Coombs et al., 2019; Lee et al., 2014; Low et al., 2009).…”