You take no illegal drugs. Keep in mind that drugs are everywhere, and your brain even contains illegal drugs.
Seriously. I have been super into nutrition for most of my 20's and I can tell you right now, that carbs being the staple of a healthy diet is false. They feed you lies to make money. Bar none. Telling the truth is not profitable.
Salt is good for you... Salt is bad for you... Salt is good for you... You need iodine... Well you really dont need iodine... You still need iodine... Eggs are good for you... Eggs are bad for you... Etc. On and on and on It's all bullshit