Neurotransmitters are chemical messengers in the nervous system. They influence mood, muscle movement, heart rate, and many other functions. Learn more here.

Scientists have solved the mystery of why a specific signaling pathway can be associated with alcohol dependence. The new research shows the gene, Nf1, regulates gamma-aminobutyric acid (GABA), a ...

Orioles celebrating second-annual Mo Gaba Day 00:49. BALTIMORE -- The Baltimore Orioles are set to celebrate Mo Gaba Day on Friday, an annual event named after an inspirational teen who made his ...