"The government always used to say, 'We don't know the real bad effects of marijuana. We've never been able to test it.'"

"Well, I'm a walking guinea pig. I've been testing it for well over 50 years. I came in fifth on Dancing With the Stars at 76. This old stoner waltzed right by professional athletes because of the marijuana."

Said Tommy Chong. But dancing is more physical than mental. Let's check the guinea pig's mind:

A very sneaky viral ad, starring Cheech and Chong and playing with the misty memories of aging Boomers...

(Thanks to ndspinelli for emailing me this.)