Seniors are one of the fastest-growing populations of cannabis users in the United States. In 2007, only about 0.4 percent of people age 65 and older in the United States had reported using cannabis in the past year, according to the National Survey on Drug Use and Health. During the course of his illness, her husband, now 79, had developed insomnia. Doctors prescribed pills to help him rest, but “nothing really worked,” she said. At one point, he reacted so negatively to a medicine he ended up in the hospital.

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Persons: Nancy Herring, ” Organizations: National Survey Locations: United States