Some counties, notably San Francisco and Santa Clara, have plunged ahead with the law. Others, including Los Angeles, Orange and San Diego, have been confounded by unanswered medical questions about what kinds of conditions are best treated with marijuana.
On Tuesday, just as the UC announcement was being made, the U.S. Supreme Court granted a request from the U.S. Department of Justice to postpone a lower court ruling in an Oakland case that would have allowed so-called cannabis clubs to distribute marijuana.
UC San Francisco cancer specialist Dr. Donald Abrams hailed the creation of a center as a major step. Abrams just completed the first clinical trial using inhaled marijuana in treating persons with HIV.