HealthTimes of Our LivesWhether they're counting minutes or years, biological clocks keep our brains and bodies on time, perhaps even on schedule for deathBy Karen Wright on June 1, 2004AdvertisementABOUT THE AUTHOR(S)Karen Wright is an award-winning writer and editor based near Seattle. Her work has appeared in numerous national magazines and newspapers and has been syndicated worldwide.Recent Articles by Karen WrightBiological Clocks Operate on Many ScalesSleep Is the Brain's Way of Staying in Balance [Video]Times Of Our Lives