Facebook has deleted the pages of three medical marijuana dispensaries in New Jersey, which angered the owners and patients who say they rely on up-to-the-minute information on the latest strains to help cope with their debilitating symptoms. Medical marijuana is legal in New Jersey. When the dispensaries tried to access their pages on Tuesday, they received a message from Facebook saying: “We remove any promotion or encouragement of drug use.” Peter Rosenfeld, one of the 5,668 registered patients in the state program. “It seems high-handed to simply shut down important resources for sick patients without even saying why or giving organizations a way to ask for reconsideration.”