Brain Capabilities


Scientists from Cambridge University are titled, “The end of evolution? Scientists say the human brain may have reached full capacity.” The article says that smarter people have the best brain wiring, which actually lets an electrical impulse travel across the brain more quickly in smarter people than in people of average intelligence. But Simon Laughlin, neurobiology professor, says, “You pay a price for intelligence. Becoming smarter means improving connections between different brain areas but this runs into tight limits on energy, along with space for the wiring.”

Then, to make matters worse, Martijn van den Heuvelan, assistant professor of psychiatry at Utrecht medical centre in Holland who also studies brain wiring and intelligence, said, “Increasing the power of the brain would take a disproportionate increase in energy consumption.”

So the conclusion of these brain scientists (with little to no nutrition experience obviously) is:

  • It takes a lot of energy to rewire the brain to be more efficient, so we can’t do it
  • Getting smarter would take more energy, so “there are tight constraints on intelligence”

As a biohacker who has worked in Cambridge, England, I know there is a British word for these conclusions. It is “bollocks.” Since I’m not a native Brit, I am not qualified to use that term properly, as it is a quasi-swear word that can be good or bad. For my American readers, a more apt term might be “bullsh*t.” Here’s why.

The idea that you can’t rewire your brain to be more efficient because it takes a lot of energy is plain and simply wrong. Reprogramming most biological systems is possible using an amazing technique called “training.” There are lots of ways of training different parts of your brain, and I’ve tried nearly all of them I can find. Some work better and faster than others, just like physical exercise, others not so much.

As an example, it’s possible to gain more muscle and metabolic efficiency from a small workout done properly than you would gain from a longer workout, consuming more energy, done improperly. That’s why Crossfit training or kettlebells produce much larger gains per calorie of exercise than low intensity cardio.

Brain training is the same way. Some techniques (like the ) are radically good at rewiring the brain in short periods of time, but some (like copying off a blackboard) are woefully inadequate. The Cambridge scientists never talked about efficiency of brain rewiring techniques, instead focusing on the fact that it allegedly takes a lot of energy to do so it must be hard.

The second theory there is to be smarter you’d need a disproportionate increase in energy consumption, so intelligence is constrained.

A more open-minded biohacker might see the data and instead think to himself, “Maybe to be more intelligent, or to rewire my brain, I really would need a disproportionate increase in energy consumption, just like I do if I want to reshape my body. So I’ll eat more and hack my metabolism.” That’s why, for the last two years, I’ve eaten about 4500 high density calories per day from the, without any substantial exercise, and with less than 5 hours of sleep per night on average, and stayed lean. Because, as our Dutch psychiatrist puts it, “Increasing the power of the human brain would take a disproportionate increase in energy consumption.”

Indeed it does. In addition to having far fewer brain-impacting toxins than a typical diet (even a paleo one), the is richest in the, and XCT oil, a special form of MCT oil that the brain can use directly, one that has been used to reverse symptoms of Alzheimers.

My take on all of this is that, if you want to be smarter, or rewire your brain to be more efficient, you do need more energy. That’s why you should eat more healthy fat, because it is the most energy dense. A nice side effect is that it makes you lose weight too, as your body adjusts to a more efficient fat-burning metabolism.

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