A modern human of the same age, on average, tends to have 95 percent of the adult brain weight. (seeker.com)
Did you know that by the age of 6 children would have reached 90 % of their full brain weight? (ph.theasianparent.com)
60 % of a dried brain weight is fat, it is no wonder deficiencies in specific kinds of fats can have huge repercussions on intelligence and behaviour. (foodforthebrain.org)