About-Alzheimer's disease also called senile dementia or simply Alzheimer's is a chronic neurodegenerative and progressive disease that destroys memory and other essential mental functions.
Symptoms-
Aloofness
Disorientation
Judgment problem and confusion
Concentration problem and memory loss
Mood swing
Problem-solving difficulties
Speech problem
Causes-Alzheimer's disease is caused by a combination of genetic, lifestyle and environmental factors that affect the brain over time.
Aloofness 
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