Weed and sperm: new study investigates link in infertile men
NCT ID NCT02932527
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at whether cannabis use affects sperm quality in infertile men. Researchers compared sperm samples from 71 men who used cannabis and those who did not. They measured sperm DNA health and other factors to see if cannabis might be linked to fertility problems.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
cannabis
What this could lead to
If it succeeds, this could clarify whether cannabis use harms sperm quality in infertile men, guiding fertility advice.
What could go wrong
This is a small, observational study (71 participants) that only looks at sperm under a microscope. It cannot prove cause and effect, and results may not apply to all men.
Disclaimer
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the original study
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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.
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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
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Locations
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Caen University Hospital
Caen, France
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Lille University Hospital
Lille, France
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Rouen University Hospital
Rouen, France