Greg Critser is a longtime science and medical journalist whose work appears in the LA Times, the Times of London and the New York Times.

He is the author of California (National Geographic 2000), Fat Land (Houghton Mifflin, 2003), and Generation Rx (Houghton 2005). His latest book, Eternity Soup (Harmony/Random), about anti-aging science and medicine, was published last year.