By Stan Bush
According to a national survey, usage among adults 65 and older is up 250 percent, while adults 50-65 have also increased usage nearly 58 percent.
Kniebes was part of a standing room-only meeting in Louisville meant to educate seniors on marijuana as a treatment for chronic pain.
The World War II veteran who suffers from chronic foot pain says his opinion of marijuana has changed dramatically.
Stan Bush is a general assignment reporter at CBS4.