Citations

1. Colcombe SJ, et al. (2003). Aerobic fitness reduces brain tissue loss in aging humans. Journals of Gerontology Series A: Biological Sciences and Medical Sciences, 58: M176–M180.

2. Haskell WL, et al. (2007). Physical activity and public health: Updated recommendation for adults from the American College of Sports Medicine and the American Heart Association. Circulation, 116(9): 1081–1093.

3. Duke J, et al. (2002). Giving up and replacing activities in response to illness. Journal of Gerontology, 57B(4): P367–P376.

4. Yaffe K, et al. (2001). A prospective study of physical activity and cognitive decline in elderly women. Archives of Internal Medicine, 161: 1703–1708.

5. Larson EB, et al. (2006). Exercise is associated with reduced risk for incident dementia among persons 65 years of age and older. Annals of Internal Medicine, 144(2): 73–81.

6. Cacioppo JT, et al. (2002). Loneliness and health: Potential mechanisms. Psychosomatic Medicine, 64: 407–417.

7. Morrow-Howell N, et al. (2003). Effects of volunteering on the well-being of older adults. Journal of Gerontology, 58B(3): S137–S145.

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Other Works Consulted

• Alline KM, Johnson LE (2002). Sexuality. In RJ Ham et al., eds., Primary Care Geriatrics, 4th ed., pp. 427–436. St. Louis: Mosby.