Study: Marijuana linked to increased heart problems

New research shows a link between marijuana and heart risks. At least 2 million adults with cardio-vascular disease have used marijuana. Dr. Tara Narula reports.

Study: Marijuana linked to increased heart problems
New research shows a link between marijuana and heart risks. At least 2 million adults with cardio-vascular disease have used marijuana. Dr. Tara Narula reports.