What to Eat to Clear Brain Fog

Change your mood by starting your day with a smoothie made from organic coconut water, coconut oil, nut butter, grass-fed collagen, eggs yolks, and frozen berries. solidcolours/E+/GettyImages

There’s no question that what we eat affects our mental clarity. There’s no other way to say it: If you’re powering through your day with sugar-laden toaster pastries, after-lunch doughnuts, and caffeinated sodas loaded with high fructose corn syrup and artificial colorants, you’re hobbling your brain.

Consider this: A 2019 study of 1,209 older adults in Malaysia found that the participants who reported the most sugar consumption (including sugar-sweetened drinks, cakes, and desserts), scored most poorly on cognitive tests.