Have you ever wondered why some foods make you feel more full than others? Or why when you’re stressed out you turn to your mom’s mac and cheese recipe? Our guest Rachel Herz is a psychologist and cognitive neuroscientist who studies why we eat what we eat. Kiera talks to her about how your culture influences your cravings, and why the outcome of the Super Bowl could make you eat healthier. Plus: Tom breaks down why the Farm Bill is actually interesting.