There's a lucrative online market where women sell their excess breast milk... but not for babies. There are grown men who believe that it has health benefits that range from building muscle to boosting your immune system and even curing disease but is there any science to backs this up? Today we find out whether breast milk is the liquid gold some men believe it to be. CREDITS Host/Producer: Claire Murphy Executive Producer: Elle Beattie Audio Producer: Ian Camilleri Thanks to our special guest Dr Sarah Steele from the University Of Cambridge.  The Quicky is the easiest and most enjoyable way to get across the news every day. And it’s delivered straight to your ears in a daily podcast so you can listen whenever you want, wherever you are...at the gym, on the train, in the playground or at night while you're making dinner. The Quicky. Getting you up to speed. Daily. Want The Quicky in your ears every day?  Subscribe at mamamia.com.au/the-quicky or in your favourite podcast app. Love the show? Send us an email [email protected] or call the podphone 02 8999 9386.