Endogenous cannabinoids, also known as endocannabinoids, are neurotransmitters (i.e., chemical messengers naturally produced by the body) that transmit specific signals from one neuron to another.

In previous studies, Yale researchers found that in people diagnosed with post-traumatic stress disorder (PTSD), the amygdala—an area of the brain associated with emotional processing—reacts less ...

Endocannabinoids are better candidates than endorphins to explain "runner's high," a feeling of euphoria after aerobic exercise. Running and other forms of aerobic exercise stimulate the ...