Research of the neuroimmune mechanisms involved in stress-related fear revealed how astrocytes interact with neurons in the amygdala. The study, led by Harvard scientists, also unveiled that this interaction recruited monocytes to the meninges during chronic stress and showed how psychedelic compounds reversed monocyte accumulation in the meninges and reduced fear behavior.

Ignite Biomedical Inc. and Liquid Biosciences have announced the discovery of biomarkers to diagnose substance use disorder (SUD). The set of biomarkers includes some that have not previously been associated with addiction and spans all 6 SUDs (opioid, cocaine, methamphetamine, alcohol, nicotine and cannabis use disorders).