Masterlock-01.png (PNG Image, 1872x1224 pixels) - Scaled (52%) Life hacks. 5 Ways To Hack Your Brain Into Awesomeness. Much of the brain is still mysterious to modern science, possibly because modern science itself is using brains to analyze it.
There are probably secrets the brain simply doesn't want us to know. But by no means should that stop us from tinkering around in there, using somewhat questionable and possibly dangerous techniques to make our brains do what we want. We can't vouch for any of these, either their effectiveness or safety.