The abstract for the 1990 journal article ''Spirituality, religion, and Alzheimer's disease'' published in the ''Journal of Health Care Chaplaincy'' indicates:
{{Cquote|The chaplain's ministry to persons with dementia, often of the Alzheimer's type, is vitally relevant to their clinical well-being. No chaplain should even think that because someone is demented, they can no longer be reached spiritually. While few scientific studies exist, clinical experience and anecdotal accounts suggest that selected pastoral interventions can enhance the quality of life of the mildly, moderately, and even severely demented individual.<ref>[https://www.ncbi.nlm.nih.gov/pubmed/10387591 Spirituality, religion, and Alzheimer's disease.] by SG1, Whitehouse PJ., ''Journal of Health Care Chaplaincy'', 1999;8(1-2):45-57.</ref>}}
=== Nun study and Alzheimer's disease ===
The ''New York Times'' reported on the famous Nun Study relating to Alzheimer's disease:
{{Cquote|Overall, Dr. Snowdon says, the nuns live significantly longer than other women. Of the 678 in the study, 295 are alive and are all 85 or older. In the Mankato convent alone, there have been seven centenarians, many free of dementia.<ref>[https://www.nytimes.com/2001/05/07/us/nuns-offer-clues-to-alzheimer-s-and-aging.html Nuns Offer Clues to Alzheimer's and Aging], Nuns Offer Clues to Alzheimer's and Aging], By PAM BELLUCKMAY 7, 2001</ref>
=== Regular prayer/meditation and larger frontal lobes ===