Tag

Cannabis

Three hand-rolled joints on a scratched wooden table beside an ashtray

Regular cannabis users had 9% fewer extra heartbeats on days they were randomly assigned to inhale

UC San Francisco cardiologists set out to test whether cannabis adds extra heartbeats. In 108 regular users the count fell instead, and the team warns that is no evidence cannabis is good for the heart.

Sep 14, 2026

A hand holding an unlabelled amber dropper bottle with a white pipette, green leaves blurred behind

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Cannabinoids cut insomnia severity and added 34 minutes of sleep across 10 trials

A Sleep Medicine meta-analysis pooled 10 randomized trials and 2,134 people. Cannabinoids improved insomnia severity, sleep quality, total sleep time and efficiency against placebo or melatonin. Side effects were four times more common.

Aug 26, 2026