Magnesium Rich Foods Helps Prevent Cognitive Decline: Posted on July 10, 2023 by carrieafranklin Fatty Fish such as Salmon, Tuna and Mackerel Leafy Greens: Turnips and Mustard Greens Seeds such as Pumpkin, Sunflower, Chia and Flax Nuts: Brazil Nuts; Cashews; Walnuts; Almonds Beans: Lentils; Chickpeas; Black Beans Whole Grains Share