The biggest issue by far is that carbohydrates are absolutely at the cornerstone of all of our major degenerative conditions.

The food we eat goes beyond its macronutrients of carbohydrates, fat and protein. It's information. It interacts with and instructs our genome with every mouthful, changing genetic expression.

Inflammation is the cornerstone of Alzheimer's disease and Parkinson's, multiple sclerosis - all of the neurodegenerative diseases are really predicated on inflammation.

Carbohydrates, whether derived from gluten-containing foods or other sources, including fruit, sweetened beverages, and starchy vegetables, are dangerous as they relate to brain health in and of themselves.

The best diet for overall health, and specifically for heart, brain, and cancer risk reduction, is a diet that's aggressively low in carbohydrates with an abundance of healthful fat, and this is the central theme of 'Grain Brain.'

In general, the public knowledge base and thus decision-making behaviors are far more influenced by advertisement than with current science.