“…Second, not having a regular physician is the only one of the four factors that can, at least in theory, be modified directly by changes in healthcare policy and in patterns of geriatric practice. For example, in the United Kingdom, 97% of the population is registered with a general practitioner, 17 and in the United States about 75% of people aged 75 or older have a regular physician 18 . In contrast, the present data indicate that fewer than half of all older people in Japan have a regular physician.…”