Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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Among those above age 70, the average number of diseases that each person
reports has increased in recent years (17). This increase is because people have
survived a number of diseases that once would have been fatal, and they have
lived to acquire additional conditions, both potentially fatal and nonfatal, such as
arthritis. Thus, older people have more diseases, but less disability, than in the past.
Inclusion of indicators of cognitive functioning in nationally representative surveys
of the older population has allowed Freedman and colleagues (29) to estimate
change in the prevalence of cognitive impairment during a five-year period during
the mid 1990s. They estimate very significant reduction...
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Six minute walking distance in healthy elderly subjects
