Footnotes

• X @ephysiol, @Ihsan_mo

• Contributors SR drafted the editorial. MI performed the review and the figure on cold water immersion. MEG provided the analyses from previous Olympics. All authors reviewed and amended the draft. All authors approved the final submission. SR is the guarantor.

• Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

• Competing interests None declared.

• Provenance and peer review Not commissioned; externally peer reviewed.