Bruce, Bonnie, Fries, James F & Lubeck, Deborah P, Arthritis Research & Therapy, vol 7, issue 6, Pages 1263-1270. http://arthritis-research.com/content/7/6/R1263/abstract

Franco, Oscar H., de Laet, Chris, Peeters, Anna, Jonker, Jacqueline , Mackenbach, Johan & Nusselder, Wilma, 2005, ‘Effects of physical activity on life expectancy with cardiovascular disease’, Archives of Internal Medicine, vol 165, no 20, Pages 2355-2360. http://archinte.ama-assn.org/cgi/content/abstract/165/20/2355

Hillsdon, Melvyn M, Brunner, Eric J, Guralnik, Jack M & Marmot, Michael G, 2005, ‘Prospective study of physical activity and physical function in early old age, American Journal of Preventive Medicine, vol 28, issue 3, Pages 245-250. http://www.ajpm-online.net/article/S0749-3797(04)00360-5/abstract

Kramer, Arthur F, Erickson, Kirk I & Colcombe, Stanley J, 2006, ‘Exercise, cognition, and the aging brain’, Journal of Applied Physiology, vol 101, no 4, Pages 1237-42. http://jap.physiology.org/cgi/content/abstract/101/4/1237?maxtoshow=&HITS=10&hits=10&RESULTFORMAT=&author1=Kramer+A+&searchid=1&FIRSTINDEX=0&sortspec=relevance&resourcetype=HWCIT

Melov, S, Tarnopolsky, M A, Beckman, K, Felkey, K & Hubbard A, 2007, PLoS ONE, 2(5): e465. doi:10.1371/journal.pone.0000465. http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0000465

Pereira, Ana C, Huddleston, Dan E, Brickman, Adam M, Sosunov, Alexander A, Hen, Rene, McKhann, Guy M, Sloan, Richard, Gage, Fred H, Brown, Truman R & Small, Scott A, ‘An in vivo correlate of exercise-induced neurogenesis in the adult dentate gyrus’, Proceedings of the National Academy of Sciences, vol 104, no 13, Pages 5638-5643. http://www.pnas.org/content/104/13/5638.abstract

Petrella, Robert John, Lattanzio, Chastity Nina, Demeray, Amy, Varallo, Vincent & Blore, Rachel, 2005, ‘Can Adoption of Regular Exercise Later in Life Prevent Metabolic Risk for Cardiovascular Disease?’, Diabetes Care, vol 28, no 3, Pages 694-701. http://care.diabetesjournals.org/cgi/content/abstract/28/3/694

Reginster, J Y, Gillot, Vincent, Bruyere, Olivier & Henrotin, Yves, 2000, ‘Evidence of Nutriceutical Effectiveness in the Treatment of Osteoarthritis’, Current Rheumatology Reports, vol 2, issue 6, Pages 472-477. http://www.current-reports.com/article_frame.cfm?PubID=RR02-6-2-11&Type=Abstract

Smilios, I. Pilianidis, T. Karamouzis, M. Parlavantzas, A & Tokmakidis, S. P, ‘Hormonal responses after a strength endurance resistance exercise protocol in young and elderly males’, 2007, International Journal of Sports Medicine, vol 28, issue 5, Pages 401- 406. ASTRACT http://www.thieme-connect.de/ejournals/abstract/sportsmed/doi/10.1055/s-2006-924366

Thie, N M, Prasad, N G & Major, P W, 2001, ‘Evaluation of glucosamine sulfate compared to ibuprofen for the treatment of temporomandibular joint osteoarthritis: a randomized double blind controlled 3 month clinical trial’, The The Journal of Rheumatology, vol 28, issue 6, Pages 1347-1355 http://www.jrheum.org/content/28/6/1347.abstract