Seasonal affective disorder (SAD) is real, and per the American Psychiatric Association, it affects roughly 5 percent of Americans every winter. But even if you’re not officially diagnosed, shorter, colder days can have a very real impact on your mood. Luckily, there are natural ways to feel a little bit better, namely, with food. According to a study in the American Journal of Public Health, eating certain fruits and vegetables can improve your mental health. Here, six foods to load up on to beat the winter blues.