Could a winter dip boost your blood? scientists investigate
NCT ID NCT06223087
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how regular winter swimming—bathing in cold open water during winter—affects blood cells, blood flow, and stress-fighting enzymes in healthy men. Researchers compare winter swimmers to a control group who never swim in cold water and have a sedentary lifestyle. Blood samples are taken before and after the winter swimming season to measure changes.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
winter swimming (cold water exposure)
What this could lead to
If beneficial changes are confirmed, this could point toward cold exposure as a simple, low-cost way to support blood health and antioxidant defenses.
What could go wrong
This is a small observational study with only 30 men, so results may not apply to women, older adults, or people with health conditions. It cannot prove cause and effect.
Disclaimer
Read more
Show less
This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for COLD EXPOSURE are added.
By submitting, you agree to our Terms of use
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Show contact details
Enter your email to view the contact information for this study.
By submitting, you agree to our Terms of use
Locations
-
University of Physical Education
Krakow, 31571, Poland