With the secret of Cloverfield now out, legions of American thrill-seeking moviegoers are emerging from theaters with one finger pressed to their puckered mouths, trying to make it to the cineplex restroom before succumbing to the effects of CBS, or Cloverfield Barf Syndrome. Theaters have taken to posting warnings about the film's side-effects (see photo), and some have even gone so far as to set up [spoiler alert] plastic-tarp containment zones, where suspected victims are quickly herded by ushers in HAZMAT suits before they can detonate into a splat of green liquid. With panic over the quickly spreading condition increasing, CNN.com approached some physicians for advice: