Medical marijuana's evolving health benefits

Jane E. Brody / New York Times News Service
Published Nov 10, 2013 at 04:00AM / Updated Nov 19, 2013 at 12:31AM
Illustration by Ken Orvidas / New York Times News Service
Monique Rydberg, left, packages medical marijuana, as Jeff Clark, right, awaits patients at The Joint, a medical marijuana cooperative in Seattle. The legalization of recreational marijuana has provided an impetus to crack down on medical pot and drive people into the market for taxed, regulated marijuana.