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The Effect of Aging on Tissues01:19

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Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
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Aging01:26

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Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
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Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
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The factors influencing the health-illness continuum can be internal or external and may or may not be under conscious control. They are related to the following eight human dimensions, and each dimension is interrelated to one other.
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Jeffrey Arnett's concept of emerging adulthood offers a framework to understand the unique developmental stage between adolescence and full-fledged adulthood, generally from ages 18 to 25. This period is marked by extensive exploration and shifts in identity, relationships, and career choices, a process known in psychology as role experimentation. Emerging adulthood reflects the evolving cultural expectations surrounding adulthood and the dynamic process of personal transformation during...
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Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
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The landscape of aging.

Yusheng Cai1,2,3, Wei Song4, Jiaming Li5,6

  • 1State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China.

Science China. Life Sciences
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Aging involves physiological decline, increasing disease risk. Research reveals genetic control over aging, prompting a multi-level review of aging processes and interventions for healthy aging.

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Area of Science:

  • Gerontology and molecular biology.
  • Focus on the biological mechanisms of aging and age-related diseases.

Background:

  • Aging is a natural process involving physiological decline, increasing vulnerability to chronic diseases like cancer and cardiovascular conditions.
  • Understanding aging is crucial for promoting healthy aging and addressing age-related health burdens.

Purpose of the Study:

  • To provide a comprehensive review of the aging landscape.
  • To explore descriptive, conceptual, and interventive aspects of aging across multiple biological levels.

Main Methods:

  • Literature review synthesizing current knowledge on aging.
  • Analysis of aging processes at cellular, tissue, organ, and organismal levels.

Main Results:

  • Aging is a complex, multi-layered process influenced by conserved genetic pathways.
  • Significant progress has been made in understanding the biological underpinnings of aging.

Conclusions:

  • A multi-level approach is essential for a full understanding of aging and age-associated diseases.
  • Further research into genetic pathways and interventions can promote healthy aging.