Proponents of methadone maintenance often state that patients receiving treatment are "dependent" on the medication, not "addicted".
Salvia affects the kappa opioid receptors in the brain, which causes brief but intense hallucinations and a sense of disconnection from reality.
Within seconds of inhaling chemicals an individual will experience intoxication that will feel extremely similar to being fall down drunk.
Morphine has been marketed as a prescription drug under both generic and brand name products including MS-Contin, Oramorph SR, Roxanol, Kadian, and RMS.