A Dietitian-Driven Unified Nutritional Care Model (ADDUCE)

The goal of this clinical trial is to learn whether a new way of organising hospital nutrition care can improve outcomes for adults who are admitted to medical wards and are at risk of malnutrition. The main questions it aims to answer are: * Does having clinical dietitians take primary responsibility for nutrition care shorten hospital stay? * Does this approach improve nutritional intake, nutritional status, quality of life, and patient satisfaction? * Does this approach lower healthcare costs compared with current practice? Researchers will compare the new nutrition care model with current practice. In current practice, nursing staff are mainly responsible for nutrition screening and nutrition care planning, while clinical dietitians are involved only when requested. In the new model, clinical dietitians are part of the ward team and take primary responsibility for identifying pati