• Aging with Grace: What the Nun Study Teaches Us About Leading Longer, Healthier, and More Meaningful Lives, David Snowdon's book about the Nun Study was published in 2001 and is available in paperback ($15, Bantam Books). The Nun Study also has a Web site.

  • An hourlong interview Snowdon did in 2001 with Teri Gross, host of public radio's Fresh Air, can be heard online here.

  • The National Institute on Aging offers several information booklets available through its Alzheimer's Web site, or by calling 800-438-4380.

  • The Alzheimer's Association is a Chicago-based patient and caregiver advocacy group. Their Web site includes fact sheets, medical news, contacts for local support groups and a chat room. The association also conducts "Maintain Your Brain" workshops about lifestyle habits that can help prevent the disease. Its toll-free number is 800-272-3900. Contact the Greater Maryland chapter online or by phone at 410-561-9099.

  • The National Institutes of Health has a video archive accessible online. Visit the Web site and search the term "nun" to link to a tape of a 1999 Alzheimer's conference called "Neuroscience: The Splice, the Mice, the Neuron, and the Nun."

  • Also online is a page that lists four CBS News video reports, including one entitled "The Nun Study."

  • Learn more about the School Sisters of Notre Dame at the community's Web site.

    -Tom Dunkel