I had a mental breakdown while doing my Ph.D. at Cambridge, soon after I cut off contact with my parents, and I started seeing the university counsellor, one of the best decisions I ever made. There's something very nourishing in setting aside an hour a week to talk.

When public figures remain silent about depression, there is a cost to the rest of society. Silence contributes to the misperception that successful people do not get depressed, and it keeps the public from seeing that treatment allows many individuals to return to competitive professional lives.

But money spent while manic doesn't fit into the Internal Revenue Service concept of medical expense or business loss. So after mania, when most depressed, you're given excellent reason to be even more so.

Depression is like a bruise that never goes away. A bruise in your mind. You just got to be careful not to touch it where it hurts. It's always there, though.

Several politicians and wives of politicians have been public about their experiences with depression or bipolar illness, including Lawton Chiles, Patrick Kennedy, Tipper Gore and Kitty Dukakis. Each made a tremendous difference by doing so.

I'd been depressed before, of course. But I'm talking about really depressed. Not just feeling a bit down or sad, a depression that has something to do with biorhythms. I'm talking about the kind of depressed that floats in upon you like a fog. You can feel it coming and you can see where it is going to take you but you are powerless, utterly powerless to stop it. I know now.