Empathy isn't just innate — it can be trained by associating another person’s happiness with personal rewards.

A decade after an overlooked discovery, researchers now confirm that the hormone leptin can reverse diabetic ketoacidosis (DKA) even without insulin.

A new study reveals that astrocyte-derived GABA, not neuronal activity, plays a central role in PTSD by impairing the brain’s ability to extinguish traumatic memories.

New research reveals that murder-suicide incidents in the U.S. are more frequent than previously documented, with an average of 820 related deaths per year.