Marijuana is now one of the most widely used substances in the United States that has been rising in prevalence given increasing legalization and recreational and medical usage. Despite its widespread use, there have been increasing concerns regarding the cardiovascular safety of marijuana. Recent studies have found a link between marijuana use and the development of cardiovascular disease. Most notably, marijuana has been found to be associated with various cardiac complications, including atherosclerosis, myocardial infarction, stroke, cardiomyopathy, arrhythmia, and arteritis. Given these growing concerns, this article seeks to examine the effects and significance of marijuana on cardiovascular health.