NIDA Notes Articles: Medical Consequences

Morphine-Induced Immunosuppression, From Brain to Spleen

June 2008
Reports on scientists who pinpointed the biochemical trigger from morphine that sets off a chain reaction that inhibits an immune cell that is key in fighting viruses and cancer.

Potential Pain Medication Targets Peripheral Nerves

September 2012

Researchers report a significant advance in the search for medications that can suppress pain but avoid opioids’ abuse potential and other undesirable CNS effects. A new compound reduces mouse responses in animal models of neurogenic and chronic inflammatory (e.g., arthritic) pain. The compound, called UB937, enhances the natural pain-killing activity of the neurotransmitter anandamide, and exerts its analgesic effects entirely in peripheral tissues, without entering the brain.

Prenatal Methamphetamine Exposure Linked With Problems

December 2012

Study findings indicate that children exposed to methamphetamine prenatally show more signs of increased emotionality, anxiety, and depression than nonexposed children at ages 3 and 5 years.

Prison Use of Medications for Opioid Addiction Remains Low

July 2011
Describes results from a nationwide survey among correctional facilities on the use of opioid replacement therapy for people who are addicted to heroin.