Cermak, Timmen: - Dr Timmen Cermak is a retired addiction psychiatrist from California, with over 40 years' experience in clinical psychiatric practice. As Past-President of the California Society of Addiction Medicine, co-founder of the National Association for Children of Addiction and board member on California's Cannabis Advisory Committee, he brings extensive experience from the forefront of addiction medicine. He is an experienced author of books on the science of marijuana. His previous book, From Bud to Brain: A Psychiatrists's View of Marijuana (2020) was described by CHOICE Reviews as 'well written and researched' providing a 'wealth of science-based evidence'. Tim believes cannabis can be enjoyed safely by most people, with the correct guidance and precautions, and hopes Marijuana on My Mind will provide the public with the information they need to make educated and informed decisions about their own use.