People with chronic pain who use medical cannabis have a higher risk for heart rhythm disorders versus nonusers, according to a study presented at the European Society of Cardiology Congress 2022. The analysis included a cohort of patients with chronic pain who were followed from 2018 to 2021, with those initiating first-time treatment with medical cannabis matched to controls within the cohort. According to the abstract submitted for the presentation, the risk for new-onset arrhythmia was elevated among exposed patients versus non-exposed patients (Risk ratio, 1.64; 95% confidence interval, 1.04 to 2.23).  Read the article here.