Life-Sustaining Treatment Treatment that is necessary to keep a person alive. 0 Introduction 1 Reflecting on values and bias within mental capacity decision-making 2 The history and current context of mental capacity legislation and policy 3 The concept of mental capacity 4 Best interests 5 Supported decision making 6 Deprivation of liberty: human rights 7 MCA in clinical decisions for care and treatment 8 MCA and the Office of the Public Guardian (OPG) role 9 Conclusion