It’s remarkable that the ECS didn’t come to attention earlier, since its receptors are practically everywhere. They can be found in the brain, spinal cord, skin, gut, liver, kidneys, and even the lungs and immune system tissues. This partially explains why CBD can be a viable treatment for so many health issues, even those which appear to have no connection.
So how does it work? Scientists are still working out the details of how CBD works to calm the mind, though it seems that its effects on serotonin and glutamate production are part of that equation. This comprehensive 2015 review of scientific literature on CBD as a potential treatment for anxiety concluded that CBD has considerable potential and strongly recommended further study. cbd oil