Gregory Marcus and his team from the University of California, San Francisco, completed a clinical study that demonstrated a noticeable reduction in ectopic heartbeats and extrasystoles in individuals who regularly use cannabis on days of substance intake compared to days of abstinence.
The prospective randomized crossover trials, named MARY-JANE, involved 108 adults who were regular cannabis consumers. The average age of the participants was 32 years, with 59 percent of them being women.
During the study, participants spent a total of 713 days consuming cannabis and 616 days abstaining from it. Heart activity monitoring was conducted using wireless sensors. The results obtained were officially published in the scientific journal JACC.