Mental fitness is served by consciously redirecting our attention away from the constant bombardment from the media whose reason to be seems to be focused on keeping us in a state of constant alert.

Increase your consumption of healthful fats like extra virgin olive oil, avocado, grass-fed beef, wild fish, coconut oil, nuts and seeds. At the same time, keep in mind that modified fats like hydrogenated or trans fats are the worst choices for brain health.

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.'

Children need to be exploring their physical world. They need to be learning the fundamental laws of physics by manipulating objects.

Fat is your friend. The brain thrives on a fat-rich, low-carbohydrate diet.

Shoot for a total of no more than 80 grams of carbs in your daily diet. This means favoring vegetables that grow above ground like kale, broccoli, spinach, and cauliflower as opposed to those that store carbohydrate in the form of starch like potatoes and beets.

The Mediterranean diet is rich in fruits and vegetables while low in sodium. It is also enriched with olive oil, high in antioxidants as well as monounsaturated and polyunsaturated fats.

Making changes in the fast food that makes up such a significant part of the American diet, even if the numbers aren't impressive, will have important health up sides.