Cannabis

Peer-reviewed research concerning cannabis, summarized and appraised in plain language with every source cited.

2Studies

2Human studies

2026Most recent

Cannabis consumption is associated with altered steroid metabolism in young men.

Communications medicine2026n = 94

Cross SectionalHuman

This study set out to explore whether cannabis use affects hormone levels in young men. It compared blood steroid levels between 47 cannabis users and 47 non-users, measuring 70 different…

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Impact of lifestyle and environmental factors on fertility.

Current opinion in urology2025

Narrative ReviewHuman

This review gathers recent evidence on what damages male fertility and how much of it can be undone. Smoking raises sperm DNA fragmentation (breaks in the genetic material inside sperm)…

Air pollution Alcohol Antioxidants

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