Sneak Peek: Dr. Oz Talking About His Medical Marijuana Petition

Dr. Oz explains why he thinks the U.S. government should do more research on the health benefits of medical marijuana. Sign the petition here: http://bit.ly/2f8uyxt Watch Williams on The Dr. Oz Show on September 22nd: http://bit.ly/2fbeafN Subscribe to Dr. Oz's official YouTube channel: http://bit.ly/1VUy0Na