Alzheimer's Association Differentiates between Alzheimer's disease and dementia, describes what to expect as the disease progresses, and explains the genetic components, treatments available, and current research.
Alzheimer's Outreach Extensive caregiving information featuring emotional support, legal, and nursing/nursing home information.
Children of Aging Parents Contains a list of support groups across the nation, as well as a caregiver guide, and literature for children of aging parents. Not specific to Alzheimer's, but still contains useful information for caregivers of parents with Alzheimer's.
Alzheimer Europe's Tips for Carers Along with good information for caregivers (or carers), this site offers comprehensive information on Alzheimers, including prevalence in Europe.