Analysis of Correlation Between Skin Carotenoid Level and Basic Indicators of Health Status Related to Lifestyle in Vietnamese: An Observational Study

Inclusion Criteria: 1. Adults aged 18 years or older 2. Healthy people or patients with metabolic diseases as obesity, diabetes, hypertension, lipid abnormalities, hyperuricemia 3. People who agreed to participate in the study and be able to complete the Informed Consent Form Exclusion Criteria: 1. Hospitalized patients 2. Patients with other diseases than metabolic diseases as written in inclusion criteria. 3. People judged to be inappropriate by the principal investigator