Dr. Karen Switkowski is an epidemiologist with training in nutrition and public health. She is a Senior Research Scientist in the Department of Population Medicine at Harvard Pilgrim Health Care Institute and a Principal Associate at Harvard Medical School. Dr. Switkowski works with Project Viva, an ongoing longitudinal study following a cohort of mother-child pairs from pregnancy through young adulthood. Her research is focused on prenatal and childhood nutrition, and she is particularly interested in the complementary feeding period and the impact of early feeding behaviors and nutritional exposures on later diet quality and health outcomes, including food allergies. She also writes a newsletter, Just One Bite (https://justonebite.substack.com/)