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

Stress is not a state of mind... it's measurable and dangerous, and humans can't seem to find their off-switch.

Individual differences in testosterone level predict very little about differences in aggression.

If a rat is a good model for your emotional life, you're in big trouble.

But if you get chronically, psychosocially stressed, you're going to compromise your health. So, essentially, we've evolved to be smart enough to make ourselves sick.

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

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