You are what you eat? Maybe not, but you do feel what you eat. Research suggests that certain foods affect mood—for better or worse. Dietary changes can trigger chemical and physiological changes within the brain that alter our behavior and emotions. “Most people understand the link between what they eat and their physical health,” says registered dietitian Elizabeth Somer, author of the 2010 book Eat Your Way to Happiness. “But the link between what you eat and your mood, your energy, how you sleep, and how well you think is much more immediate. What you eat or don’t eat for breakfast will have at least a subtle effect by mid-afternoon, and what you’re eating all day will have a huge impact today and down the road.”
Here’s a closer look at how your diet could be affecting your mood.