The topic of milk supply is discussed in the podcast episode 'Boobs, Bottles, and Beyond', which covers various aspects of breastfeeding and feeding newborns, including the importance of breastfeeding, common challenges, and strategies to increase milk supply.

In contrast, the episode 'Bird Flu-It's in Milk?' focuses on the detection of bird flu viral fragments in the retail milk supply, raising concerns about the potential risks and the need for a coordinated government response.