Cold plunges: Healthy or harmful for your heart?
The evidence for a benefit is pretty shallow — and a frigid dip could be risky for someone with underlying heart problems.
- Reviewed by Christopher P. Cannon, MD, Editor in Chief, Harvard Heart Letter; Editorial Advisory Board Member, Harvard Health Publishing
If dunking neck-deep in cold water sounds like an invigorating thrill, you might be tempted to try this trend, especially since cold-plunge pools are now found in gyms, wellness resorts, and hotels throughout the United States. Or maybe a natural environment sounds more appealing (see "Cold-water dips in the great outdoors"). The purported health benefits — less stress, better sleep, and enhanced immunity — are all linked to improved cardiovascular health.
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About the Author
Julie Corliss, Executive Editor, Harvard Heart Letter
About the Reviewer
Christopher P. Cannon, MD, Editor in Chief, Harvard Heart Letter; Editorial Advisory Board Member, Harvard Health Publishing
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