Book excerpt: The Medical Cannabis Guidebook is the most exhaustive guide to medicinal cannabis produced to date, with information regarding the types of illnesses and diseases that can be helped by cannabis, real case studies from medical users, grow information, legal advice and more. With many recipes for extracts, descriptions of administration techniques, and discussions of the therapeutic uses of cannabis throughout the ages, it serves as a handbook for cannabis use and also allows patients to make and grow their own medicine, dose correctly and educate themselves.