“The brain requires a lot of energy to sustain neuronal communication, and it is widely believed that this energy comes from our diet,” Dr Joensuu said.

Who would have thought that we get energy from our diet! That means that I don't have to keep sticking my tongue into electrical outlets any more!

Personal Anecdote: I've noticed I dream more if I eat an avocado right before bed.

I did suspect that, being a Physiologist. Such high energy consumer tissue relying solely on glucose would be counterintuitive. However brain cannot consume fat as main source, unlike cardiac tissue.