Abnormal or unpleasant odors may be caused by diseased or necrotic tissue in the respiratory or upper gastrointestinal tracts, including mouth and nasal cavity. Diseased teeth are a common cause in dogs and cats. In addition, certain metabolic diseases may produce distinctive breath odor, e.g. ketoacidosis, uremia.
Practically elderly is a person who needs special consideration due to advanced age. Which can happen in late 50s or in late 80s. If he or she can punch your lights out for calling them elderly, and you cannot run from them either, they possibly aren't.
Ageing (British English) or aging (American English) is the process of becoming older. In the narrow sense, the term refers to biological ageing of human beings, animals and other organisms.In the broader sense, ageing can refer to single cells within an organism (cellular senescence) or to the population of a species (population ageing).ccumulation of Misrepairs is focalized and self-accelerating. Focalized accumulation of Misrepairs leads to the development of spots or plaques in a tissue, such as atherosclerotic plaques and age spots in skin. Thus, development of aging changes is inhomogeneous and self-accelerating.