Humans and animals alike all have an endocannabinoid system (ECS). When CBD oil is consumed, it activates your pet's ECS. The ECS then creates a two-way communication system between the brain and other systems in your pet’s body, such as the nervous system, immune system, digestive system, and more. This is why you may hear about CBD helping out in so many areas of the body. Many of the common uses of Pet Releaf CBD for dogs are situational stress, hip and joint discomfort, digestive health, as well as supporting a healthy immune system.