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

Oct 28, 2025

3 min

What is the person-environment fit theory of ageing and how does it affect well-being?

Developed by M. Powell Lawton and Lucille Nahemow in the 1970s, the **person-environment fit theory of ageing** posits that an older adult's quality of life and behavior are a function of the congruence between their personal competence and the demands of their environment. This theory has become foundational in environmental gerontology for understanding how older adults interact with their surroundings.

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Oct 28, 2025

5 min

What is the epigenetic clock theory of ageing?

In recent decades, scientists have made extraordinary progress in understanding why and how we age, uncovering that a person's biological age can differ significantly from their chronological age. The epigenetic clock theory of ageing proposes a molecular mechanism to measure this biological age by tracking chemical changes in your DNA, offering a powerful new perspective on longevity and healthspan.

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