The ZOE Health Study is a revolutionary app designed to support vital health research by enabling users to report their daily health status, even when they are feeling well. This app is perfect for individuals interested in contributing to critical scientific research aimed at combating major health conditions such as cancer, dementia, and other significant diseases. By leveraging the power of widespread participation, the ZOE Health Study capitalises on the collective input of over 800,000 people who have joined the initiative to enhance national health services. The ZOE Health Study is an evolution of the ZOE COVID Study, which played a pivotal role during the pandemic by empowering millions to report their health status from the comfort of their homes. The app's proven ability to rapidly advance scientific understanding is now being applied to a broader range of health conditions. Participants in the ZOE Health Study will aid in the development of an early warning system for disease detection, potentially saving countless lives. Users of the app contribute valuable data by regularly recording how they feel, whether they are experiencing symptoms or feel completely healthy. This information helps researchers at King's College London and ZOE understand how day-to-day behaviour impacts the immune system and overall health. With this knowledge, the ZOE Health Study aims to discover new methods to reduce the risk of developing major diseases through personalised approaches. The app is ideal for adults who are keen to play an active role in health research without needing specialised medical knowledge. It provides a simple yet powerful platform for daily health reporting, making it accessible to a wide audience. While the app promotes the importance of self-monitoring health status, it does not offer health advice, and users are encouraged to visit the NHS website for any medical guidance. Join the ZOE Health Study today and be part of a community dedicated to advancing health research. By contributing to this innovative project, you will help shape the future of personalised health interventions and disease prevention. Download the app now from the Apple App Store or Google Play Store and start reporting your daily health to make a difference in critical health research.