The Alzheimer Mailing List from The Alzheimer Page at Washington University at St. Louis. You can also search or browse the Alzheimer List Archives. 

The Candid-Dementia Mailing List from CANDID. The Candid-Dementia List Archives are also available as well as chat. 

Bill's America-Online Support Group

Caregiver Network Dementia Forum 

Free Tips from Caregiving Online 

Neurology Web Forum 

Window on My Mind

Newsgroup: alt.support.alzheimers 

Newsgroup: alt.support.disabled-caregivers 

Newsgroup: alt.support.grief 

Griefnet Mailing Lists