Latest Trustworthy News from Dr. Mercola - delivered straight to your inbox!
cyber monday sale cyber monday sale

Do You Really Only Use 10% of Your Brain?

  • March 21, 2004

Why would a neuroscientist immediately doubt that 90 percent of the average brain lies perpetually fallow? First of all, it is obvious that the brain, like all our other organs, has been shaped by natural selection. Brain tissue is metabolically expensive both to grow and to run, and it strains credulity to think that evolution would have permitted squandering of resources on a scale necessary to build and maintain such a massively underutilized organ. Moreover, doubts are fueled by ample...