1. Alcohol

First broadcast: Wednesday 8^th July 2015

Simon Evans presents comedy lectures on the economics behind four commodities that people are addicted to. With guests David Nutt, Tim Harford and Merryn Somerset Webb.

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2. Tobacco

First broadcast: Wednesday 15^th July 2015

It has been called the single biggest avoidable cause of death in the world today, yet it has remained an investment goldmine. With guest Professor Robert West.

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3. Coffee

First broadcast: Wednesday 22^nd July 2015

This week it's coffee. How much are we now drinking as a nation?

In-depth Guide

4. Sugar

First broadcast: Wednesday 29^th July 2015

Some people say sugar could be the new tobacco - exposed as a health risk that's been knowingly concealed for decades.

In-depth Guide