Here’s one way to separate the sick from the stoners: A California doctor is promoting a form of medical marijuana he claims is more therapeutic — but won’t get you high … Isn’t that special: Researchers say that frequent users of ketamine (a.k.a. Special K) can develop incontinence ? Professional poker players are renowned for their stamina and focus — but some may be using drugs to gain an edge at the table ? Yet another report finds fewer heart-attack hospitalizations after public smoking bans — this time in London ?