Irritable bowel syndrome (IBS) is a common digestive disorder with unclear causes, affecting about 10% of the global population. Researchers have now discovered that opioid delta-receptor agonists may ...
Serotonin is primarily synthesized by neurons in the dorsal Raphe nucleus (DRN) in the midbrain. Serotonin neurons in the DRN project to numerous brain regions, including the arcuate of the ...