In just a few years it's become one of the world's most in-demand drugs but is Ozempic all it's cracked up to be? 

Could this new generation of weight-loss medication end 'globesity' and save the world billions of dollars?

What are the risks?

We speak with bestselling author Johann Hari about his personal journey with Ozempic and what he's learned about its spread around the globe.

Guest:

• Johann Hari, author of Magic Pill