Everyday Health In the current COVID-19 era, all eyes are on what we can do to stay healthy. And while the Centers for Disease Control and Prevention (CDC) has recommended many measures to that end — including wearing masks, washing hands, and physically distancing — there’s another, often overlooked way to better your immune system: focusing on your diet. “Nutrition and how it impacts your immune system is all the rage these days because of COVID-19,” says Megan Meyer, PhD, the Durham, North Carolina–based director of science communication at the International Food Information C...