By Stan Bush

DENVER (CBS4) – Seniors are becoming as the fastest growing segment of the marijuana industry.

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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.

Duane Kniebes (credit: CBS)

“I’ve generally felt that recreational drugs of any kind were no nos, and I still do,” says 91-year-old Duane Kniebes. “Cannabis seems to be somewhere in between.”

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Kniebes was part of a standing room-only meeting in Louisville meant to educate seniors on marijuana as a treatment for chronic pain.

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(credit: CBS)

The World War II veteran who suffers from chronic foot pain says his opinion of marijuana has changed dramatically.

“All of these years I thought it was in the same category of any other recreational drug”

(credit: CBS)

Stratos, a Colorado-based cannabis manufacturer, is trying to reach out to skeptical seniors about using marijuana as a way to treat pain.

Kate Heckman (credit: CBS)

“I think they have tried a lot of pharmaceuticals and they’re looking to improve their quality of life,” says Kate Heckman, a Stratos spokesperson. “It really appeared there was a gap in education for seniors.”

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Stan Bush is a general assignment reporter at CBS4. His stories can be seen on CBS4 News at 10. Read his bio and follow him on Twitter @StanBushTV.