Hi, I thought you may like this Mentalrobics exercise from Braingle.com:
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Smart People Diets

What you eat can have a large impact on how your mind operates. After all, the brain accounts for 20% of your body's total energy consumption. The brain needs a steady supply of glucose throughout the day to keep in tip-top working order, so be sure to not skip any meals, especially breakfast.

Salads contain antioxidants such as beta-carotene and vitamins C [ For more on 'C' go here: http://www.braingle.com/mind/712.html ] and E [ For more on 'E' go here: http://www.braingle.com/mind/673.html ], which help your brain stay healthy.

Yogurt contains the amino acid tyrosine, which is needed for some essential brain chemistry.

Fish contains Omega-3 fatty acids, which help prevent dementia and keep your brain working in tip-top shape.

Curry contains a spice called turmeric which can help prevent Alzheimer's Disease [ For more on 'Alzheimer's Disease' go here: http://www.braingle.com/mind/361.html ].

Try to avoid junk food high in sugar and fat. There have been some studies that imply a connection between junk food and mental disorders such as dyslexia, attention deficit hyperactivity disorder, and autism.
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For more mind exercises: http://www.braingle.com/mind/