The UK Biobank is a biomedical database and research resource that includes de-identified genetic, lifestyle, and health information from over 500,000 participants in the UK. It contains blood, urine, saliva samples, and detailed lifestyle information. Researchers from academic, commercial, government, and charitable organizations use the data to study health-related issues. Its data has enabled many scientific discoveries that improve human health and help researchers better understand diseases like dementia, heart disease, arthritis, and diabetes.