{'fraction_non_alphanumeric': 0.0171990171990172, 'fraction_numerical': 0.0012285012285012285, 'mean_word_length': 5.417322834645669, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Aging and incidence of dementia

Unprecedented numbers of people are living to advanced old age. The consequences of striking and ongoing demographic changes are profound, including underfunded pension plans and threats to government programs like Social Security and Medicare. Today's policies and practices are not designed to account for such large numbers of people living well beyond normal retirement age, drawing funds and services.

One widely appreciated consequence of this demographic change, well known to neurologists and all caregivers, is the huge increase in persons who develop dementia.

The article by Schrijvers and colleagues1 addresses a question of profound public policy importance: “Is dementia incidence declining?”

The experiences of most physicians and the general public lead to the …