Core Insights - Alzheimer's disease is a degenerative neurological condition, commonly referred to as "senile dementia," with approximately 10 million patients aged 60 and above in China due to the aging population [1] Group 1: Symptoms and Diagnosis - Key symptoms of Alzheimer's disease include memory loss, difficulty in language expression, decreased judgment, and emotional fluctuations, which can severely impair daily living abilities [1] - Distinguishing between benign forgetfulness associated with aging and early-stage Alzheimer's disease is crucial; benign forgetfulness typically involves forgetting details but remembering major tasks, while early Alzheimer's may involve significant memory loss and personality changes [1] Group 2: Early-Onset Alzheimer's Disease - Early-onset Alzheimer's disease can be differentiated from other types of dementia, such as vascular dementia, which is caused by cerebrovascular incidents leading to memory decline; recovery is possible with treatment and training [2]