Longitudinal research following the Sisters of Notre Dame and the Greek island Ikaria provided support for which potenti

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Longitudinal research following the Sisters of Notre Dame andthe Greek island Ikaria provided support for which potentialprotective factor in Alzheimer’s disease?
1. alcohol consumption
2. mental activity/engagment
3. volunteering in the community
4. consuming dairy products
A key difference between early-onset Alzheimer's disease, suchas the one affecting the Colombian villagers discussed in Stix's(2014) article and typical-onset Alzheimer's disease, which beginsin the 60s is:
1. social support from family and community
2. the presence of amyloid plaques and tangles
3. malnutrition
4. an inherited gene mutation