Justice refers to how fairly people are treated and encompasses protecting the rights of individuals. Doctors have a moral responsibility to ensure that there is an element of fairness in all their medical decisions. This may relate to how doctors ensure equitable distribution of scarce resources between individuals. Increasingly the demand for healthcare resource is outstripping the supply that the NHS can provide. The remit of healthcare is growing with increasing medicalisation. With new technological advances and changes in the ways we practice medicine patient involvement in their healthcare is constantly changing. Patients are increasingly aware of, and expecting, the most recent and effective treatments. Moreover, challenges such as an ageing population increase demand. With a limited budget and staff shortages there is not a direct correlation between increasing demand for healthcare and resource availability. Doctors must not only determine which resources/ patients to prioritise but also which services to ration. Using and applying theories of distributive justice doctors can ensure that when resources are allocated there is no form of discrimination. As part of their decision making doctors must ensure they abide with discrimination laws. Below is a list of relevant factors when thinking about how to just allocate scarce resources: