- yes ("disorder of structure or function in an animal or plant of such a degree as to produce or threaten to produce detectable illness or disorder").
- no ("the quality which identifies disease is some deviation from a biological norm").
Is ageing a disease? - ResearchGate. Available from: https://www.researchgate.net/post/Is_ageing_a_disease [accessed Nov 28, 2015].
Moreover, one of the most important question "How much can human life span be extended"? is one of the top 25 questions to be answered, published by Science magazine.