Geriatrics, the health care of the elderly, is therefore a considerable burden on health services. In the United Kingdom about ... Geriatrics, Elderly Care, Aging: Since the mid-20th century a change has occurred in the population structure in developed ... Geriatrics. Since the mid-20th century a change has occurred in the population structure in developed countries. The proportion ... Geriatrics, the health care of the elderly, is therefore a considerable burden on health services. In the United Kingdom about ...