Loneliness as a dementia risk, particularly Alzheimer’s disease (AD), has long been considered solid science. It’s hard to quantify loneliness, as it’s not as simple as whether a person has opportunities to interact with others. Yet, the difficulty of defining loneliness has not kept researchers from studying its impact on health. For example, the National Institutes of Health (NIH) reports study results showing that "After adjustment for other risk factors, older persons with feelings of loneliness were more likely to develop dementia” than people without such feelings.
An amazing book of stories that will touch your heart and encourage you, especially if you are a caregiver. Carol Bradley Bursack also has an excellent website devoted to the elderly and their caregivers. - Carol Heilman