Research shows that being even mildly iron-deficient affects learning, memory and attention. (About 10 percent of young women are anemic because of their monthly loss of iron-rich blood.) Luckily, restoring iron levels to normal also restores cognitive function. Here are some foods that are good sources of iron.
2. Dark leafy greens (kale, chard, spinach)
3. Meat (beef)
4. Chicken or turkey
6. Soy (tofu, edamame/soybeans)