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The GP Show

Welcome to The Gp Show podcast "libsyn directory" page!  Please visit my full website; that includes podcasts, the podcast notes with resources, a clinicians bookshelf split into the lifestyle and medical domains with a growing library of online resources (for patients and health professionals) including handouts, courses, apps, books, podcasts and more.

Join me, Dr Sam Manger MD, for real and in-depth conversations with guests, experts and advocates from around the world sharing knowledge, stories, insight and experience on a variety of health-related topics.  This podcast is specifically designed-with-love for health professionals and anybody else interested in health, science and medicine.

Please note: the Information on this site and in these podcasts is designed for informational purposes only and does not replace the relationship between a patient and his/her own physician and is not intended as medical advice. This information is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health providers with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you saw or read on The GP Show Podcast and related pages. Always practice within your level of professional capabilities and scope of practice. This podcast does not give you the right to practice beyond your training.

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Enjoy and thank you for listening. 

Nov 15, 2017

Welcome to the first of a new segment I am trying out every now and then.  I review the theory and science behind controversial topics and rate it - confirmed, busted or plausible.

I have had a lot of requests to cover medicinal cannabis, so here it is.  There is some really interesting science here, but it is still early days.  In this episode we cover:

What is medicinal cannabis?

How does it work?


What conditions can it be used in and what is the level of evidence?

What are the side effects?

What forms does it come in?

What is the cost to the patient?

How do you apply for it?

What don’t we know about it?


If you don't agree with me for what ever reason - don't be a hater!  Just let me know - peacefully!



  1. The National Academies of Sciences, Engineering, Medicine, The Health effects of Cannabis and Cannabinoids, 2017 
  2. QLD Health, Clinical guidelines; for the use of medicinal products in QLD, 2017,
  3. Sachs et al, Safety and Toxicology of cannabinoids, 2015,
  4. Whiting et al, Cannabinoids for Medical Use: a systematic review and meta-analysis, 2015, JAMA,
  5. Borgelt et al, The pharmacological and clinical effects of medical cannabis, 2013,
  6. Grotenhermen et al, The therapeutic potential of cannabis and cannabinoids, 2012,