Reggie Williams, 62, was a featured speaker at the 420 Games in San
Francisco that promotes the use of cannabis. The 14-year NFL veteran with
the Cincinnati Bengals lost two Super Bowls playing against the 49ers.
Williams is advocating more studies on the benefits of cannabis as an
alternative to power opioids given to NFL players for pain relief. (Photo
by Elliott Almond / Bay Area News Group).