1. Legal and Lethal

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. 16 August 2022. 57 min

Richard Roxburgh unpacks the science of our two most commonly used legal drugs - tobacco and alcohol. Science historian Professor Robert Proctor reveals how our nicotine habit transformed into such a lethal addiction.

2. Medicinal Mindbenders

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. 23 August 2022. 55 min

Cannabis, psychedelics and MDMA are all experiencing a research renaissance, as scientists reach new understandings of their interaction with the human body and mind.

3. The Stimulants

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. 30 August 2022. 57 min

We look at the different effects of caffeine, cocaine and methamphetamine. Two-time world surfing champion Tom Carroll opens up about his own battle with addiction and how he got clean.

4. New Epidemics

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. 6 September 2022. 56 min

The finale examines the opioid crisis in the United States and looks at diseases caused by poor diet and sugar addiction.