Hormones influencing the sensitivity of the person to environmental stimuli.

It's great to have a buff frontal cortex to do that harder thing - for example, help a person in need rather buy some useless, shiny gee-gaw.

We’ve evolved to be smart enough to make ourselves sick.

Almost always, genes are about potentials and vulnerabilities rather than about determinism.

What happened during the minutes before? That's the realm of sensory stimuli of the nervous system.

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

How much you groom somebody else is more important than who grooms you.