In this Jan. 11, 2010 photo, a worker shows a marijuana bud for sale at the Lotus Medical dispensary in Denver. Colorado’s Board of Health is nearing a decision on rules clarifying what’s a “bona fide” doctor-patient relationship in an effort to crack down on marijuana mills, in which unscrupulous “pot docs” recommend pot for patients they’ve never seen before. Colorado’s proposed regulations would be among the nation’s most detailed governing how well doctors recommending marijuana must know their patients, but some marijuana advocates are fighting the rules. (AP Photo/Ed Andrieski)