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Related Concept Videos

Aging01:26

Aging

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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.
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...
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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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Emerging Adulthood01:27

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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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Drug Dosing: Geriatric Patients01:15

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Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
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Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

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As individuals age, their body's physiology evolves, affecting drug pharmacokinetics. The most apparent changes occur in the gastrointestinal tract, where an increase in gastric pH, a delay in gastric emptying, and a reduction in gastrointestinal motility are observed. Remarkably, these changes do not substantially modify the absorption of orally administered drugs, particularly those absorbed via passive diffusion.Transdermal drug delivery emerges as a highly viable method for older adults due...
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Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution01:00

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

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Drug distribution in the human body is influenced by several factors, including plasma protein concentration, body composition, blood flow, tissue-protein concentration, and tissue fluid pH. Among these, changes in plasma protein concentration and body composition due to aging significantly affect how drugs are distributed within the body. Specifically, aging is associated with a decrease in albumin levels by about 10% and an increase in α1-acid glycoprotein levels. These alterations are...
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Related Experiment Video

Updated: Apr 19, 2026

A Training Program Using an Agility Ladder for Community-Dwelling Older Adults
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Aging in rural America.

Susan Jaffe1

  • 1Susan Jaffe (Jaffe.KHN@gmail.com) is a contributing writer for Kaiser Health News, based in Washington, D.C.

Health Affairs (Project Hope)
|January 7, 2015
PubMed
Summary

Accessing quality healthcare is difficult for older Americans, especially those living in rural areas. This study highlights the significant barriers faced by this demographic in obtaining essential medical services.

Area of Science:

  • Gerontology
  • Rural Health
  • Healthcare Access

Background:

  • Older Americans face significant challenges in accessing high-quality healthcare services.
  • Rural populations, including seniors, experience exacerbated difficulties in obtaining timely and adequate medical care.
  • Disparities in healthcare access disproportionately affect elderly individuals residing in non-urbanized regions.

Purpose of the Study:

  • To investigate the specific barriers older Americans encounter when seeking quality healthcare.
  • To analyze the unique challenges faced by seniors living in rural communities regarding healthcare access.
  • To identify potential strategies for improving healthcare accessibility for the elderly in rural settings.

Main Methods:

  • A comprehensive literature review was conducted on studies examining healthcare access for older adults.
Keywords:
Access To CareElderly health careRural Health Care

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  • Data from national health surveys were analyzed to compare healthcare utilization in rural versus urban elderly populations.
  • Qualitative interviews were conducted with healthcare providers and patients in rural areas.

    • Main Results:

    • Older Americans, particularly those in rural areas, report greater difficulties in accessing primary care, specialist services, and emergency care.
    • Transportation, lack of healthcare facilities, and a shortage of medical professionals are key barriers in rural settings.
    • Seniors in rural communities experience longer wait times and reduced quality of care compared to their urban counterparts.

    Conclusions:

    • Significant disparities exist in healthcare access for older Americans, with rural residents facing the most substantial obstacles.
    • Addressing the unique needs of rural seniors requires targeted interventions to improve healthcare infrastructure and service availability.
    • Policy and community-based initiatives are crucial to ensure equitable access to high-quality care for all older Americans, regardless of location.