A Four-Day Cold Shower Protocol Does Not Increase Salivary Testosterone in a Small Cohort of Male Athletes: A Research Communication.
Traylor DA; Nunes EA; Lees MJ; Cudaback E; Phillips SM · 2026 · Health science reports
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Background and aim Testosterone is an important hormone in male physiology, playing a key role in reproductive function, muscle growth, bone mineral density, and metabolic regulation. Cold exposure is celebrated in fitness and wellness…
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Metadata source: Europe PMC · DOI 10.1002/hsr2.72432