[berekuk]

It can leave you slightly more stupid, though: http://journals.plos.org/plosone/article?id=10.1371/journal...., http://www.malariajournal.com/content/9/1/366, http://www.sciencedirect.com/science/article/pii/S0167629612...

[zamalek]

> It can leave you slightly more stupid, though

That explains a lot ;)