A large majority of Iowans favor legalizing marijuana for medical purposes, according to the results of the latest Hawkeye Poll conducted by the University of Iowa. Sixty-five percent of those sampled said they favored legalizing medical marijuana, and the support appears to be widespread. A majority of Democrats (69 percent), Republicans (57 percent) and Independents (77 percent) favor medical marijuana. A majority of people in each age group also supports this, with support increasing in the older age groups.