New Jersey resident John Wilson, 37, may spend the next five years in prison because he grew marijuana, which he used to treat his multiple sclerosis. A judge handed down the five-year sentence on Friday, months after a jury found Wilson guilty of growing 17 marijuana plants—which he used only to treat the effects of his debilitating illness. Throughout most of his trial, Wilson was prevented from mentioning his disease to the jury. Then in January, New Jersey became the 14th state in the nation…