---
title: Public Health Impacts of Cannabis Legalization in the USA
description: The public health impacts of cannabis legalization have received public attention with jurisdictions around the world changing cannabis policies.
---

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# Public Health Impacts of Cannabis Legalization in the USA

![IASIC](https://education.iasic1.org/hs-fs/hubfs/favicon.gif?width=50&height=50&name=favicon.gif)

June 29, 2022

Speaker Janni Leung. The public health impacts of cannabis legalization have received public attention with several jurisdictions around the world going through changes in cannabis policies. This talk summarizes research on the public health impacts of cannabis legalization in the USA, where the legalization of medical and recreational cannabis use has been in effect for the longest and where the most extensive research has been conducted to date. 

Video link: [https://vimeo.com/732111502/79b9ffaf12](https://vimeo.com/732111502/79b9ffaf12)

### Speaker Details

**Full Name**  
Janni Leung

**Bio**  
Dr Janni Leung is an epidemiologist and is a Global Substance Use and Mental Health Research Fellow at The University of Queensland in Australia. They have qualifications and training in public health, sociology, and psychology. In addition, they have strong research and teaching experience in epidemiology and biostatistics. They have published over 100 scientific papers and conference presentations in the substance use epidemiology field. Janni is committed to conducting high-quality rigorous research to generate empirical scientific evidence to inform decisions to prevent substance use-related harms in the population.

<https://isaic1.org>

 IASIC, the International Academy on the Science and Impact of Cannabis, are doctors who educate on marijuana. IASIC is an organization of international experts on cannabis who are guided by medicine and science to provide accurate and honest information that guides decision-making. We recognize that the use of cannabis is potentially harmful, and that policies or practices which enhance or increase the use of cannabis risk serious medical and social consequences.

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