A person on here posted a meme-question that I have been ruminating on for a while. So here's my rant on it.

( The question and the rant )

Keeping ageing brains on top form is one of several articles giving the results of a study on mental age before and after mental exercises ( Read more... )

As ertla pointed out, There is no such thing as an ability to divide the population neatly into "healthy" and "unhealty", "mature" and "immature", "moral" and "immoral". ... or "functional" vs "dysfunctional". Especially in terms of total personal traits, it isn't black and white, it isn't binary. ( Read more... )