Former Miami Dolphins football star Ricky Williams watched his career and reputation plummet from marijuana use.
Now, the ex-running back is a national spokesman for cannabis use. Williams is the keynote speaker for the upcoming Southeast Cannabis Conference and Expo. Williams' job now is traveling the nation to promote the medicinal benefits of the drug. He says he believes it can help with concussions and pain management.
At the expo, Williams is scheduled to discuss his cannabis use on a panel called Pro Athletes Pro Cannabis.