In this freestyle and rambling chat, Tiff and I talk about how we might optimise (or potentially, waste) our time, energy, genetics and resources, when it comes to the ever-present challenge of exercising effectively, efficiently and safely. Enjoy.

#2191 Why Are More Young People Getting Cancer? - David Gillespie
38:54

#2190 The Classroom Series: #1 The Science Of You - Harps
53:50

#2189 A Conversation About Happiness - Harps & Tiff
1:06:52