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Related Concept Videos

Longitudinal Research02:20

Longitudinal Research

Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
Aging01:26

Aging

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.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Mitochondria01:37

Mitochondria

Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary function, mitochondria are involved in various cellular processes, including cell growth, differentiation, signaling, metabolism, and senescence. Age-related changes cause a decline in mitochondrial quality and integrity due to increased mitochondrial mutations and oxidative damage. Thus, aging can severely impact mitochondrial functions,...
Cross-Sectional Research01:50

Cross-Sectional Research

In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

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...
Archival Research01:40

Archival Research

Some researchers gain access to large amounts of data without interacting with a single research participant. Instead, they use existing records to answer various research questions. This type of research approach is known as archival research. Archival research relies on looking at past records or data sets to look for interesting patterns or relationships. For example, a researcher might access the academic records of all individuals who enrolled in college within the past ten years and...

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Related Experiment Video

Updated: Jun 8, 2026

A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae
10:39

A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae

Published on: September 17, 2020

Researching with centenarians.

Tina Koch1, Charmaine Power, Debbie Kralik

  • 1Professor of Nursing (Older Person Care), School of Nursing and Midwifery, Faculty of Health, The University of Newcastle, Callaghan, Newcastle, NSW, AustraliaSenior Lecturer, School of Nursing and Midwifery, Flinders University, Adelaide, SA, AustraliaDirector, RDNS Research Unit, Royal District Nursing Service, Adelaide, SA, Australia.

International Journal of Older People Nursing
|October 8, 2010
PubMed
Summary
This summary is machine-generated.

Centenarians shared life stories, highlighting resilience and advice for longevity. Their experiences challenge ageism, promoting positive perceptions of aging and its relevance to clinical practice.

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High-Throughput Behavioral Aging and Lifespan Assays Using the Lifespan Machine
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Last Updated: Jun 8, 2026

A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae
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A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae

Published on: September 17, 2020

High-Throughput Behavioral Aging and Lifespan Assays Using the Lifespan Machine
08:53

High-Throughput Behavioral Aging and Lifespan Assays Using the Lifespan Machine

Published on: January 26, 2024

Area of Science:

  • Gerontology
  • Sociology
  • Health Promotion

Background:

  • Efforts to combat ageism and negative stereotypes associated with aging.
  • The aim to present alternative narratives of older individuals through personal stories.

Purpose of the Study:

  • To engage public curiosity about reaching 100 years old.
  • To challenge ageist stereotypes by showcasing centenarians' lives and perspectives.

Main Methods:

  • Interviewing 24 centenarians using a conversational approach with prompts.
  • Asking about their life experiences, social context, views on longevity, and current priorities.
  • Encouraging storytelling about significant life aspects.

Main Results:

  • Centenarians frequently recalled early life, education, and first jobs.
  • Key advice for longevity included staying active, simple living, healthy eating, hard work, and social engagement.
  • Resilience, strong family cohesion, and a matter-of-fact acceptance of life's difficulties were prominent themes.
  • Loss of eyesight was a significant challenge, leading to new dependencies.

Conclusions:

  • A book of 24 centenarian stories was published to foster public engagement and challenge negative aging stereotypes.
  • The findings suggest older individuals are valuable sources of wisdom and experience.
  • The study's health promotion message and anti-ageism efforts are relevant to clinical practice and healthcare delivery.