It’s easy to add to your routine, too.

If not for years of brain research, I would be living in unending, unremitting pain. My head would be twisted to one side, and I’d cope as best I could with a diet of old-timey muscle relaxants and ...

So did the singer Tony Bennett, the actor Gene Wilder, the boxer Sugar Ray Robinson and the author E.B. White. So did Rosa Parks, and Ronald Reagan. And so do millions of others around the world. More ...