As drug legalization groups and the cannabis industry lobby to legalize cannabis across the United States, with initiatives to legalize marijuana on the November ballot in five more states, many experts warn this will only increase the physical and mental harm from the unregulated, high-potency cannabis.

President of the American Board of Pain Medicine and a vice president of the International Academy on the Science and Impacts of Cannabis, Dr. Ken Finn, said high potency cannabis use is being linked to poisonings in young children, as well as psychosis and schizophrenia in an increasing number of regular users.