Several possible studies
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Cold shower routine may reduce sick days while cutting carbon emissions (opens in a new tab)
medicalxpress.com · 2026-10-30
Short answer
Several possible studiesStudy not confirmed.
Several potential source studies were identified, but no single match could be confirmed. The article's claims remain unverified.
These papers were considered as possible sources, but none could be confirmed as the study behind this story.
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The story
Cold shower routine may reduce sick days while cutting carbon emissions
medicalxpress.com · 2026-10-30
The story’s checkable claims.
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Multiple potential source studies identified.
Several studies match details in the article, but none could be confirmed as its source. The claims have not been assessed against a source study.
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Several studies could fit.
Several studies match details in the article, but none could be confirmed as its source. The claims have not been assessed against a source study.
Source layer
The 2 papers the story cites
Source study separated from background citations.
The research anchor for the report.
- The study this story reportspresented as the new finding
Breaking the habit: psychological strategies to promote health and sustainability
- The study this story reportspresented as the new finding
Breaking the habit: psychological strategies to promote health and sustainability
Evidence layer
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The article's claims are listed below. Without a confirmed source study, they have not been assessed as supported or unsupported.
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Claim 1 of 5Not checkedAmong participants who continued, the story says they reported feeling increasingly better mentally and physically, and on average took 31% fewer sick days than the control group.View evidenceHide evidence
As stated31% fewer sick days
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No source study was confirmed for this article. This claim remains unverified, rather than assessed as supported or unsupported.
Claim 2 of 5Not checkedA psychologist at the University of Basel studied whether an easy everyday habit, regular cold showers, could encourage environmentally friendly behavior while offering personal rewards.View evidenceHide evidence
Not checked
No source study was confirmed for this article. This claim remains unverified, rather than assessed as supported or unsupported.
Claim 3 of 5Not checkedThe study included 719 healthy participants aged 18 to 65 who were asked to take showers as cold as their shower would allow for 12 weeks.View evidenceHide evidence
As stated719 participants; 12 weeks
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No source study was confirmed for this article. This claim remains unverified, rather than assessed as supported or unsupported.
Claim 4 of 5Not checkedThe article says the routine also lowered water-heating energy use and reduced CO₂ emissions by 15 kilograms per person over the 12-week study, roughly equal to driving 100 kilometers.View evidenceHide evidence
As stated15 kilograms of CO₂ per person over 12 weeks; roughly equivalent to driving 100 kilometers
Not checked
No source study was confirmed for this article. This claim remains unverified, rather than assessed as supported or unsupported.
Claim 5 of 5Not checkedThe story cautions that it is unknown whether participants kept taking cold showers after the study and says other compensatory behavior could reduce or cancel the environmental benefit.View evidenceHide evidence
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No source study was confirmed for this article. This claim remains unverified, rather than assessed as supported or unsupported.
Method layer
Study not confirmed.
The search results are available for you to inspect. Without a confirmed source study, they cannot establish whether the story’s claims are supported or contradicted.
Search results
Candidate papers, not confirmed sources.
PubMed, Europe PMC, Crossref · 15 candidate papers
Effects of cold-water immersion on health and wellbeing: A systematic review and meta-analysis.
PloS One · 2025 · PubMed, Europe PMC
P277 Sick leave and predictive factors for sick leave at 12 months after breast cancer surgery in the randomized controlled physical activity trial (PhysSURG-B)
The Breast · 2023 · Crossref
Cold-water exposure and psychological outcomes in adults: a systematic review and meta-analysis.
Frontiers in Physiology · 2026 · PubMed, Europe PMC
The Effect of Cold Showering on Health and Work: A Randomized Controlled Trial.
PloS One · 2016 · PubMed, Europe PMC
Pre-sick leave occupational stress factors in employees taking sick leave due to depression
The Proceedings of the Annual Convention of the Japanese Psychological Association · 2011 · Crossref