Age-Retardation: Scientific Possibilities And Moral Challenges (President's Council on Bioethics).

Centro de Psicología Gerontológico. (2004). Envejecimiento, Comunicación y política. (2004). Ministerio de Comunicaciones. Bogotá, Colombia.

Three Physiological Measures Linked to Longevity in Men (National Institutes on Health)

Report of the National Institute on Aging Advisory Panel on Exceptional Longevity, 2001 (National Institute on Aging)

The Future of Human Longevity: How Vital Are Markets and Innovation? (U.S. Senate Special Committee on Aging)

Living Longer, Growing Stronger: The Vital Role of Geriatric Medicine (U.S. Senate Special Committee on Aging)

National Center for Complementary and Alternative Medicine (National Institutes of Health)

Overview of Dietary Supplements (U.S. Food and Drug Administration)

Dietary Supplements (U.S. Food and Drug Administration)

Guidance for Industry: Substantiation for dietary suplement claims made under section (U.S. Federal Trade Commission)

Miracle Health Claims - Add a Dose of Scepticism (U.S. Federal Trade Commission)