Diets high in ultra-processed foods have been linked to increased risk of developing certain health conditions, but scientists are uncertain about the exact cause. This week on Health Wanted, host Laurel Bristow and guest Kevin Hall, PhD, explore the prominent role of ultra-processed foods of in American diets and next steps for uncovering what about them might be contributing to poor health. Then, Bristow answers questions on Glucola and gestational diabetes testing, nasal sprays, the HHS and vaccines, the latest in bird flu, and the recent outbreak in Congo before Sick of the Week: background reading. For a full rundown on all the information shared in today's episode, take a look at the Show Notes. Have a question for Laurel? Send it to healthwanted@wabe.org or leave a voicemail at 404-888-3630! For more, visit wabe.org/healthwanted. To support Health Wanted and other public media programing amplifying Atlanta this Giving Tuesday, visit wabe.org/giveSee omnystudio.com/listener for privacy information.