Effect of comprehensive lifestyle changes on telomerase activity and telomere length in men with biopsy-proven low-risk prostate cancer: 5-year follow-up of a descriptive pilot study Elizabeth H Blackburn, Peter R Carroll, Nita Chainani-Wu, June M Chan, Jennifer Daubenmier, Elissa Epel, Ivette Estay, Steven J Frenda, Nancy K Hills, Colleen Kemp, Jue Lin, Mark Jesus M Magbanua, Ruth Marlin, Dean Ornish, Gerdi Weidner in The Lancet Oncology (17 September 2013) Journal Article 1 biology exercise longevity