Biobank UK is a large-scale health research initiative that collects and stores biological samples and health data from participants across the United Kingdom. It aims to improve understanding of diseases and develop new treatments by analyzing the genetic, lifestyle, and environmental factors that influence health. Participants in Biobank UK provide blood, urine, and saliva samples, along with detailed health information through questionnaires. The data is used by researchers to study various health conditions, including cancer, diabetes, and heart disease, ultimately contributing to advancements in personalized medicine and public health strategies.