The frontal cortex doesn't even fully develop until age 25, which is wild!

The regulation of genes is often more interesting than the genes themselves, and it's the environment that regulates genes.

We live well enough to have the luxury to get ourselves sick with purely social, psychological stress.

If you care about your longevity and health, be a socially affiliated baboon who is better than high-ranking ones at walking away from provocations.

We all seek out stress. We hate the wrong kinds of stress but when it's the right kind, we love it - we pay good money to be stressed by a scary movie, a roller coaster ride, a challenging puzzle.

The less it is possible that something can be, the more it must be.

Depression is not generalized pessimism, but pessimism specific to the effects of one's own skilled action.