http://patients4medicalmarijuana.wordpress.com/2013/01/26/a-marijuana-bud-a-day-keeps-the-stroke-away/

“Heart Surgeon: “Marijuana everyday reduces stroke risk by 50%”. A bud a day keeps the stroke away! That is the claim being made by this Medical Doctor who is also an avid medical marijuana supporter.”  https://www.youtube.com/watch?v=-fM5T_vty58