Why yawning sometimes makes tears

The snow’s piling up outside so we’re cozying down with another batch of listener medical questions! Can I take all my antibiotics at once? If my twin has an allergy, do I have it too? Are prenatal vitamins good for people who do not want to get pregnant? And can air literally get knocked out of your lungs?

Music: "Medicines" by The Taxpayers https://taxpayers.bandcamp.com/

Immigrant Law Center of Minnesota: https://www.ilcm.org/donate/