Cannabinoids like CBD release message carriers (neurotransmitters) that lock in to sites in the ECS like CB1 and CB2. When these receptor sites are stimulated they produce the effects CBD is known for.
Yes! Most living things have an ECS, including your dogs and cats. If you don't have an ECS, CBD will do nothing beneficial for you. Bees for example, do not have an ECS, so when they're pollinating hemp and marijuana
The two (possibly even a 3rd that hasn't been discovered) receptors CB1 and CB2 are responsible for producing the effects around the human body. CB1 affects the brain and CB2 affects most tissues and organs in the rest of the
The simple version: It's the system that CBD stimulates to produce the effects CBD is known for. The ECS by definition is a group of protein receptors and neurotransmitters that allow cannabinoids like THC and CBD to affect the brain