Quirky summer health tips: Marshmallows for a sore throat??

A new article from AARP says that some odd old remedies, such as using marshmallows to fight off a sore throat, might not be at far-fetched as you think. NBC News medical contributor Dr. Natalie Azar reveals the method to the seeming strangeness of certain summer health tricks. (Run time: 3:55)July 8, 2016