Halpern, M.T., Shikiar, R. Rentz, A.M., Khan, Z.M. 2001. Impact of smoking status on workplace absenteeism and productivity. Tobacco Control 10(3): 233–238.

Hosseini, M. Alaei, H.A., Naderi, A., Sharifi, M.R., Zahed, R. 2009. Treadmill exercise reduces self-administration of morphine in male rats. Pathophysiology 16(l):3–7.

Ince, M.L. 2008. Use of a social cognitive theory-based physical-activity intervention on health-promoting behaviors of university students. Perceptual and Motor Skills 107(3):833-6.

Jacini, W.E, Cannonieri, G.C., Fernandes, P.T., Bonilha, L., Cendes, F., Li, L.M. 2009. Can exercise shape your brain? Cortical differences associated with judo practice. Journal of Science and Medicine in Sport. Jan 13. [Epub ahead of print].

Keylock, K.T., Vieira, V.J., Wallig, M.A., DiPietro, L.A., Schrementi, M. Woods, J.A. 2008. Exercise accelerates cutaneous wound healing and decreases wound inflammation in aged mice. American Journal of Physiology — Regulatory, Integrative and Comparative Physiology 294(l):R179-84.

Knapen, J., Sommerijns, E., Vancampfort, D. Sienaert, P., Pieters, G., Haake, P., Probst, M., Peuskens, J. 2008. State anxiety and subjective well-being responses to acute bouts of aerobic exercise in patients with depressive and anxiety disorders. British Journal of Sports Medicine, Nov 19. [Epub ahead of print].

Laurin, D., Verreault, R. Lindsay, J., MacPherson, K. Rockwood, K. 2001. Physical activity and risk of cognitive impairment and dementia in elderly persons. Archives of Neurology 58(3):498–504.

Lautenschlager, N.T., Cox, K.L., Flicker, L. Foster, J.K., van Bockxmeer, F.M., Xiao, J., Greenop, K.R., Almeida, O.P. Effect of physical activity on cognitive function in older adults at risk for Alzheimer disease: a randomized trial. Journal of the American Medical Association 300(9):1027-37.

Liu-Ambrose, T., Donaldson, M.G. 2009. Exercise and cognition in older adults: Is there a role for resistance training programmes? British Journal of Sports Medicine 43(l):25-7.

Lo Bue-Estes, C. Wilier, B., Burton, H. Leddy, J.J., Wilding, G.E., Horvath, P.J. 2008. Short-term exercise to exhaustion and its effects on cognitive function in young women. Perceptual and Motor Skills 107(3):933-45.

Ma, Q. 2008. Beneficial effects of moderate voluntary physical exercise and its biological mechanisms on brain health. Neuroscience Bulletin 24(4):265-70.

Matson Koffman, D.M., Goetzel, R.Z., Anwuri, V.V., Shore, K.K., Orenstein, D. LaPier, T. 2005. Heart healthy and stroke free: Successful business strategies to prevent cardiovascular disease. American Journal of Preventive Medicine 29(5)Supplement 1:113–121.

Nelson, M. Gordon-Larsen, P. 2006. Physical activity and sedentary behavior patterns are associated with selected adolescent health risk behaviors. Pediatrics 117(4): 1281–1290.

Olfson, M., Marcus, S.C. 2009. National patterns in antidepressant medication treatment. Archives of General Psychiatry 66(8):848-56.

Ratey, J. Spark. New York: Little, Brown and Company, 2008.

Rockwood, K. Middleton, L. 2007. Physical activity and the maintenance of cognitive function. Alzheimer’s & Dementia 3(2)Supplement:S38-S44.

Schneider, M.L., Graham, D.J. 2009. Personality, physical fitness, and affective response to exercise among adolescents. Medicine and Science in Sports and Exercise 41(4):947-55.

Shin, M.K. 2009. Effects of an exercise program on frontal lobe cognitive function in elders. Journal of Korean Academy of Nursing 39(1):107— 15.

Slobogin, K. 2001. Why violence? The secret service’s findings on school shootings. CNNfyi.com March 6, 2001.

Stephen, I.D., Coetzee, V., Law Smith, M. Perrett, D.I. 2009. Skin blood perfusion and oxygenation colour affect perceived human health.