Not Your Ex. Recurrence. We used to call it manic-depressive insanity, which, while not especially polite, at least sounded like something you should probably take seriously. In 1980, we renamed it bipolar disorder¹. The neurons did not notice. Dopamine did not lower its voice. Glutamate did not suddenly become thoughtful. The syllables just became easier...

Before a full-blown illness moves in and starts eating all your snacks, your brain and body usually give you some warning signs. They’re not dramatic. No violins. No flashing lights. Just little red flags waving while you say, “I’m fine, just tired.” Spoiler: you’re probably not fine. Let’s talk about those warnings: the mental ones,...