German scientists found that the impact of excessive intellectual diet. German medical researchers to conduct the tests show that those who are over 15 percent of normal weight, his IQ than normal weight or at least those who high 28 points, which they explained that the human cells in about 60 percent protein, 30 % of fat, and brain cells as much as 60 percent fat -65%. Fat is an important material brain work, the remaining fat can stimulate the brain, making it to expedite the processing of information and increase the length of memory. If deliberately diet to make the brain cells, lack of adequate fat, the result will affect the brain activity and the impact of intelligence.