In Robinson v. California (1962) 370 U.S. 660, the United States Supreme Court struck down a California statute which made it unlawful to be addicted to the use of narcotics. (Id. at pp. 660, fn. 1, 667 8 L.Ed.2d at p. 759, fn. 1, 763.) The Supreme Court recognized that the state can regulate the use of narcotics. (Id. at p. 664 8 L.Ed.2d at p. 761.) But it said the challenged statute and its construction by the state courts criminalized the status of narcotic addiction, irrespective of whether the defendant ever used or possessed any narcotic within the state or engaged in any antisocial behavior there. (Id. at p. 666 8 L.Ed.2d at p. 763.) The Supreme Court likened the challenged statute to one that made it a crime for a person to be mentally ill or a leper. (Ibid.)