Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Longitudinal Research02:20

Longitudinal Research

13.5K
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...
13.5K
Longitudinal Studies01:26

Longitudinal Studies

569
Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
569
Introduction to Epidemiology01:26

Introduction to Epidemiology

2.1K
Epidemiology, known as the cornerstone of public health, involves studying the distribution and determinants of health-related events in defined populations and applying these insights to control health issues. This is essential for understanding how diseases spread, identifying populations at greater risk, and implementing measures to control or prevent outbreaks. Epidemiology addresses not only infectious diseases but also non-communicable conditions like cancer and cardiovascular disease,...
2.1K
Bias in Epidemiological Studies01:29

Bias in Epidemiological Studies

1.4K
Biases can arise at various stages of research, from study design and data collection to analysis and interpretation. Recognizing and addressing these biases is essential to ensure the validity and reliability of epidemiological findings.Broadly speaking, biases in epidemiology fall into three main categories: selection bias, information bias, and confounding. A more detailed description of possible biases is:  
1.4K
Observational Studies01:11

Observational Studies

11.2K
Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One...
11.2K
Data Collection by Observations01:08

Data Collection by Observations

15.2K
Data collection refers to a systematic way of obtaining, observing, measuring, and analyzing accurate information. Observational studies are one of the most widely used methods of data collection. It involves collecting data by observing the behavior and physical characteristics of a sample without making any modifications to the sample.
An astronomer viewing the motion and brightness of stars in the sky and recording the data is an example of observational data collection. A botanist recording...
15.2K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Multi-trajectories of intrinsic capacity and their impact on incident disability in community-dwelling older adults in Japan.

Archives of gerontology and geriatricsยท2026
Same author

Ten-year longitudinal effects of physical activity and apolipoprotein E ..4 genotype on precuneus atrophy in Japanese older adults.

Archives of gerontology and geriatricsยท2026
Same author

Higher openness and conscientiousness are associated with lower risk of long-term care needs: A 22-year follow-up of community-dwelling older adults in Japan.

Experimental gerontologyยท2026
Same author

A frailty-intrinsic capacity index to predict disability in community-dwelling older Japanese adults.

JAR lifeยท2025
Same author

Risk factors associated with cognitive frailty development through different transition pathways among community-dwelling older adult Japanese individuals: insights from the NILS-LSA project.

BMC geriatricsยท2025
Same author

Longitudinal Changes in Corneal Thickness over 8 Years: Findings from the National Institute for Longevity Sciences-Longitudinal Study of Aging Population-Based Cohort Study in Japan.

Ophthalmology scienceยท2025

Related Experiment Video

Updated: Feb 24, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
09:36

Assessment of Child Anthropometry in a Large Epidemiologic Study

Published on: February 2, 2017

28.0K

[Findings from the long-term longitudinal epidemiological study].

Hiroshi Shimokata1, Fujiko Ando

  • 1Department of Epidemiology, National Institute for Longevity Sciences, National Center for Geriatrics and Gerontology.

Nihon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics
|February 7, 2009
PubMed
Summary

Longitudinal epidemiological studies track aging changes in physical and mental functions. The National Institute for Longevity Science-Longitudinal Study of Aging (NILS-LSA) investigates aging and geriatric diseases in a large cohort.

More Related Videos

Rapid Fractionation and Isolation of Whole Blood Components in Samples Obtained from a Community-based Setting
11:31

Rapid Fractionation and Isolation of Whole Blood Components in Samples Obtained from a Community-based Setting

Published on: November 30, 2015

16.9K
Telomere Length and Telomerase Activity; A Yin and Yang of Cell Senescence
12:08

Telomere Length and Telomerase Activity; A Yin and Yang of Cell Senescence

Published on: May 22, 2013

47.4K

Related Experiment Videos

Last Updated: Feb 24, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
09:36

Assessment of Child Anthropometry in a Large Epidemiologic Study

Published on: February 2, 2017

28.0K
Rapid Fractionation and Isolation of Whole Blood Components in Samples Obtained from a Community-based Setting
11:31

Rapid Fractionation and Isolation of Whole Blood Components in Samples Obtained from a Community-based Setting

Published on: November 30, 2015

16.9K
Telomere Length and Telomerase Activity; A Yin and Yang of Cell Senescence
12:08

Telomere Length and Telomerase Activity; A Yin and Yang of Cell Senescence

Published on: May 22, 2013

47.4K

Area of Science:

  • Gerontology and epidemiology
  • Longitudinal cohort studies
  • Aging research methodologies

Context:

  • Aging populations present significant public health challenges.
  • Understanding age-related physical and mental decline is crucial.
  • Geriatric diseases like dementia and osteoporosis require extensive study.

Purpose:

  • To conduct long-term longitudinal epidemiological research on aging.
  • To collect comprehensive data on age-related changes.
  • To investigate aging processes and geriatric disease factors.

Summary:

  • The National Institute for Longevity Science-Longitudinal Study of Aging (NILS-LSA) began in 1997.
  • It follows 2,267 participants aged 40-79, with biennial follow-ups.
  • Data includes clinical, physiological, nutritional, and psychological assessments.

Impact:

  • Provides insights into normal aging and age-related health issues.
  • Identifies risk factors, prevention, and early diagnosis strategies for geriatric diseases.
  • Facilitates longitudinal analysis of genetic, lifestyle, and environmental influences on aging.