Kelp

Kelp has been gaining popularity in the Northern Hemisphere and it's easy to see why. While some people aren't huge fans of the taste, kelp is high in magnesium, calcium and iodine. Iodine helps with normal growth and development of the brain and body.

Photo by Getty Images Aug 3, 2012

Ten foods to make you smarter

There really is such a thing as brain food. Here's a roundup of the top ten foods that will give you an intelligence boost when you next need it.