Quick Answer. An authorization letter is a type of legal document that can allow someone to claim a document on someone else's behalf. Claiming documents is just one potential use of authorization letters, which can also be used to sign documents, make agreements or participate in an event as an agent of another person. Keep Learning.
Pathological aging is the aging process that is brought on by the presence of disease, such as adult-onset diabetes or arthritis, and that may later bring on cardiovascular disease or osteoporosis. This is not considered normal aging. These conditions are due to heredity or lifestyle.
pathological-caused by or altered by or manifesting disease or pathology; diseased tonsils; a morbid growth; pathologic tissue; pathological bodily processes. diseased, pathologic, morbid.