Aging Population

An aging population is a demographic shift in which older adults make up an increasing share of the total population, driven primarily by longer life expectancy and declining fertility rates. This change reflects improvements in public health, medical care, nutrition, and living conditions, while sustained low birth rates reduce the relative proportion of younger people. Clinically, aging populations increase the prevalence of chronic diseases, multimorbidity, frailty, cognitive impairment, and functional limitations, creating demand for coordinated, person-centered care. Understanding these trends supports geriatric assessment, preventive medicine, health-system planning, and research focused on healthy aging and quality of life.

Aging Population - Related Videos

Education

JoVE Lab Manual - Biology

Population Growth - Student Protocol

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2019

Exponential Population Growth Model ExpandNOTE: In these experiments you will use computer software to simulate different types of growth models. HYPOTHESES: The experimental hypothesis might be that if we increase either R, the reproductive rate or the initial population size, NT, that this will increase the population size after 10 generations in an exponential growth model compared to unmanipulated control populations. The null hypothesis may be that populations of different R and initial...

Population Growth - Concepts

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2019

Population Models An ecological population is a group of individuals of a single species living in an area at the same time. To persist, a population must either grow or maintain its size. Population ecology is the study of how population size and age distribution change over time through interactions with other species and the environment as well as with individuals of their own species. A particularly important feature that is studied by ecologists is the rate at which a population grows or...

An Introduction to Aging and Regeneration

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2023

Tissues are maintained through a balance of cellular aging and regeneration. Aging refers to the gradual loss of cellular function, and regeneration is the repair of damaged tissue generally mediated by preexisting adult or somatic stem cells. Scientists are interested in understanding the biological mechanisms behind these two complex processes. By doing so, researchers may be able to use somatic stem cells to treat degenerative diseases and develop therapies that could delay the effects of...

Research

JoVE Journal - Bioengineering

Continuous High-resolution Microscopic Observation of Replicative Aging in Budding Yeast

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Cited by 10 •

2013

We describe here the operation of a microfluidic device that allows continuous and high-resolution microscopic imaging of single budding yeast cells during their complete replicative and/or chronological lifespan.

Research

JoVE Journal - Biology

Measuring Single-Cell Aging with an Imaging-based Biomarker of Chromatin and Epigenetic Aging

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2026

The protocol presents the imaging and computational workflow to extract and validate imaging-based chromatin and epigenetic age (ImAge).

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