The brain chemicals behind your mood, sleep, and body functions Ever wonder what's going on in your brain when a certain mood strikes? You can thank your neurotransmitters. Neurotransmitters are tiny ...

A longstanding hypothesis in neurobiology was that a single neuron releases a single type of neurotransmitter, a molecule used by neurons to communicate with one another. In recent decades, several ...

Your body functions using chemical messages that are directed throughout your system with specific targets. These chemical messages are carried by neurotransmitters, which act as a messenger directing ...