Sex workers who face repressive policing are more likely to experience violence and poorer health and well-being, according to new research published in PLOS Medicine.
Dopamine has a reputation as the key player in the brain's reward circuits, making us seek out pleasurable experiences, but growing evidence points to a multipronged role for the neurotransmitter. In particular, dopamine may also reinforce avoidance of painful experiences. UC Berkeley researchers have now mapped dopamine neurons in the brain with fiber photometry and discovered two parallel dopamine circuits driving attractive and aversive reinforcement learning and motivation.
One of the many painful and challenging aspects of the US opioid crisis is that people abusing opioids often isolate themselves from family and friends, making it difficult for loved ones to help people on a path towards recovery.
Consumption of alcohol or at least one drug was associated with over half the violent deaths that occurred in São Paulo City in the period analyzed.
Virginia Commonwealth University researchers are testing a vaccine against opioid abuse developed by the Scripps Research Institute in California. The vaccine is meant to block the effects of heroin and fentanyl in patients with opioid use disorder.
People who experience childhood maltreatment frequently have perturbations in their brain architecture, regardless of whether they develop psychiatric symptoms, but a study in Biological Psychiatry found additional alterations in people who don't develop symptoms.
A new drug can help people diagnosed with cannabis use disorder reduce withdrawal symptoms and marijuana use, a new Yale-led study published Dec. 6 in the journal Lancet Psychiatry shows.
Peer-reviewed / Randomised Controlled Trial / People. Experimental drug reduced cannabis use and withdrawal symptoms compared with placebo.
Some nations -- but not the US -- provide heroin-assisted treatment and supervised consumption sites as approaches to reduce the harms caused by addiction to opioids. A new study finds that the experiences in other parts of the work find that providing supervised access to medical-grade heroin to people whose use continues after trying multiple traditional treatments has been successful in other countries, and should be piloted and studied in the US.
Several presentations at the 2018 Society for Risk Analysis (SRA) Annual Meeting will explore novel approaches to monitoring real-time drug use in town and cities nationwide.