Science writer Cheryl Pellerin recently launched a new book titled “Healing with Cannabis.” The book is divided into two parts. The Endocannabinoid System The first one consists of a scientific (but not too technical) story of the endocannabinoid system, a billion-year-old system vertebrates have. It is responsible for regulating several basic functions of the body, and can be activated both by endocannabinoids, naturally created by the body, or by cannabinoids from the cannabis plant –…