"Memes, Smell, and youtube.com: Sources mentioned at: FactPoint.net/  People diagnosed with Alzheimer's  disease may lose the ability to smell  peanut butter. The ""Peanut Butter  Test"" may offer an early indication  of the disease. Subscribe to our YouTube channel: youtube.com-FactPoint check Source at : FactPoint.net- Or check this link: https:-health.clevelandclinic.org-peanut-butter-test-may-detect-alzheimers-"
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