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Articles related to focusing on healthy aging, prevention, mobility, cognition, nutrition, independence, and caregiving support.

4 min

What is the Fourth Age theory? Explaining the Final Stage of Life

According to the Berlin Aging Study, a significant negative shift in subjective well-being often occurs after age 80, a phenomenon related to what is known as the Fourth Age theory. This sociological and gerontological framework defines the last stage of life, characterized by a decline in physical and cognitive functioning and an increase in dependency.

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4 min

What is the Neugarten theory of aging?

In the 1960s, social psychologist Bernice Neugarten proposed the groundbreaking **Neugarten theory of aging**, which centers on the concept of the "social clock". This theory suggests that society imposes culturally defined timelines for major life events, influencing individuals' behaviors and their perceptions of their own aging. How people respond to these expectations is a core component of psychological development throughout adulthood.

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4 min

Understanding How many 90 year olds live on their own?

According to the U.S. Census Bureau, the population of those aged 90 and over nearly tripled between 1980 and 2010, indicating a growing cohort of very elderly citizens. Understanding the living arrangements within this group, and specifically how many 90 year olds live on their own, requires examining a complex blend of genetics, lifestyle, and societal trends.

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