In September 2022, the Biden administration convened a Conference on Hunger, Nutrition, and Health to unpack and address food and nutrition insecurity across the country. Food insecurity is a deeply cross-cutting challenge to take on, so we're bringing you a two-part episode examining the science of nutrition insecurity and policies looking to address it. In part 1, we talk with Dr. Alison Brown, a program director at NHLBI, about health inequities and scientific research behind food insecurity.