Vitamin B-12

If you’ve been feeling foggy or forgetful—you might be low on Vitamin B-12. Dr. Jeanine Cook-Garard and Pandora Groth talk with Dr. Majid Fotuhi, a neurologist, and adjunct professor at the Mind Brain Institute at Johns Hopkins and at the department of Psychology and Brain Sciences at George Washington University. He is also the author of The Invincible Brain.