Clinical Research Directory

1. Inclusion Criteria: Alzheimer's dementia patient * Adult patients over 60 years old * Patients with a Alzheimer's dementia patient * Total Korean version of mini-mental state examination (K-MMSE) score less than 24 * Total Clinical Dementia Rating (CDR) over 0.5 2. Inclusion Criteria: healthy subjects * Adult healthy over 60 years old * Total Korean version of mini-mental state examination (K-MMSE) over 24 * Total Clinical Dementia Rating (CDR) is 0 3. Exclusion Criteria: * Those with severe medical conditions such as unstable conditions of the cardiovascular system, digestive system, respiratory system, endocrine system, etc., who are in poor general condition * In the case of a person with impaired consent (MMSE less than 10 points), if not accompanied by a guardian * Other cases where the researcher determines that participation in this clinical trial is not appropriate (Patients who are participating in other studies or have participated in other studies within the past 30 days can also participate in this study.)