Did you know the bacteria in someone else's mouth could be quietly destroying your teeth right now? ...We looked into it.

Welcome to Valid Source? — The podcast where we investigate the internet myths, viral claims, and trending gossip you've been thinking about but haven't had time to research. We're not experts. We're just two friends willing to do the extra digging.

This episode: Harley gets a full life story from the guy who hit her car (and somehow it leads to cavities), we both show up to the dentist on the same day at the same time without planning it, because of course we did, we break down whether cavities are actually contagious (spoiler: yes, and you're going to think twice about sharing that soda), we go deep on fluoride and what it might be doing to our brains, we debunk the root canal cancer documentary that Netf ...