Heavy daily Cannabis use, whether in a recreational or a medical setting, usually leads to a common set of side effects, clinical syndromes, and energetic imbalance. This practical review of the case files of 40 heavy Cannabis users (3-10 doses per day) in Colorado and Oregon between 2010 and 2016 illustrates the issues that can arise, including tolerance, dependence, a withdrawal syndrome, Cannabis emesis, menstrual irregularities, adverse effects on fertility in females and males, disturbance of pre-existing mental conditions, and other physical and cognitive short and long term side effects. The information is foundational for those wishing to work with this medicine and patients who will be taking it multiple times a day.
Paul Bergner is a medical herbalist, clinical nutritionist, educator, author, and naturalist. He has studied and practiced natural medicine, nutrition, and medical herbalism since 1973 and has published and edited the Medical Herbalism journal since 1989. He is the director of the North American Institute of Medical Herbalism. He has written seven books on herbalism, nutrition, Chinese medicine, folk ethnobotany, and naturopathic medicine. Paul has taught all aspects of clinical herbalism and clinical nutrition since 1989. He helped to establish and has taught in free or sliding scale teaching clinics in herbalism and nutrition continuously since 1996. He has mentored more than 300 students through 8-month clinical residencies. He lectures internationally on topics in medical herbalism and clinical nutrition.