The following definitions were developed to accompany the 2020 Medical Research Policy and are now superseded. The current policy includes definitions within the policy itself.DiseaseAny deviation or interruption of the normal structure or function of any part, organ or system (or combination thereof) of the body that is manifested by a characteristic set of symptoms and signs and whose aetiology, pathology and prognosis may be known or unknown.Human health conditionsPertaining to diseases (as defined above), syndromes, pathological conditions, injuries, signs, symptoms, problems and/or conditions that generally lead to contact with, or utilisation of, health services. InterventionsIncludes interventions designed to understand and/or change human health conditions, such as:clinical or pre-clinical trials in human participantsthe collection and/or use of body organs, tissues or fluids e.g. skin, blood, urine, saliva, hair, bones, tumour and other biopsy specimens or exhaled breathbehavioural interventions; ordietary interventions.Medical researchFor the purposes of the ARC Medical Research Policy, medical research also includes dental research. Therapeutic GoodsAs defined in Section 3 of the Therapeutic Goods Administration Act 1989, or any successor legislation.