NOVATO (AP) - A former pro football star and an advocate for athlete marijuana use have teamed up to open a gym in San Francisco that they say will be one of the first in the world to allow members to smoke pot while working out.

Former running back Ricky Williams and Jim McAlpine, a snowboard company executive, said Power Plant Fitness will open before the end of the year. It also will offer edibles and topical gels for those who don't like smoking the plant.

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