and that's particularly my co-author, alesicssa eppel, tha her expertise.said here are all these effects that we see, and what can you do about it. the book is about what can you do in terms of having some empowerment to make a difference at least for your own maintenance of your health. but that in turn turns out, you know, that can help others, as well. >> yeah. there's your new word for the day, telomere. t-e-l-o-m-e-r-e. the book is called, "the tel telomere effect: a revolutionary approach to living younger, healthier, longer." dr. elizabeth blackburn, thank you very much for being on the program. >> thank you very much. >> up next, director danny boyle, "trainspotting 2." stay with us. i'm so pleased to welcome danny boyle back to this program. it's been nearly 20 years since the cult hit, "trainspotting" introducing people to the addiction of heroin and the worst toilet in the world -- consolidate. now back with "-- scotland. now back with "t2," and before we hear more, a clip from "t2." ♪ [ laughter ] >> thanks. >> ah! >> detox the system. >> detox