Low-level exposure to lead during development does not lead to alcohol use disorder, but does alter the neural circuits in a way that if addiction occurs, it makes it harder to refrain from returning to addiction related behaviors.
Researchers have identified biomarkers in the blood which can help determine the severity of a person's pain level. The findings could help doctors to accurately measure pain and stem the opioid crisis.
Indiana University researchers provide evidence that rats are able to mentally replay memories of past events. The study reveals the animals' memories were long lasting and resistant to interference from other memories, both of which are hallmarks of episodic memory, researchers say.