The influence of whole-body cryotherapy or winter swimming on the lipid profile and selected adipokines.

"Declarations Ethics approval and consent to participateThe study was approved by the Bioethical Committee of the District Medical Chamber in Krakow (194/KBL/OIL/2019, 17-09-2019) and was conducted in accordance with the assumptions of the Declaration of Helsinki. Informed consent was obtained from all subjects involved in the study. Consent for publicationNot Applicable. Conflict of interestThe authors declare no conflict of interest. Competing interestsThe authors declare no conflict of interest. Conflict of interest The authors declare no conflict of interest. Competing interests The authors declare no conflict of interest."

"Funding No funds, grants, or other support was received. All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest or non-financial interest in the subject matter or materials discussed in this manuscript."