Reader "Lynn in Salinas" writes: "Will you please comment on Dr. David Perlmutter's bestseller book, 'Grain Brain,' and his claim that wheat, gluten, carbs and sugar are the cause of dementia?" In the ...

For many Americans, eating healthier will be a top new year's resolution – and one expert says we should start by eliminating gluten and sugars. Dr. David Perlmutter claims eating foods high in ...