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Related Concept Videos

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...
Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

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...
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

In geriatric patients, renal physiology undergoes significant changes, including diminished renal blood flow and a lower glomerular filtration rate (GFR), leading to alterations in medication clearance. Drugs such as aminoglycoside antibiotics, lithium, and digoxin, which rely on glomerular filtration for removal from the body, particularly impact pharmacokinetics. These drugs tend to have slower clearance rates in older adults, necessitating careful dosage considerations.Evaluation of renal...
Documentation in Long-Term and Home Healthcare Setting01:29

Documentation in Long-Term and Home Healthcare Setting

Documentation in long-term care facilities and home healthcare settings is crucial for ensuring continuous, coordinated, and comprehensive care for patients. Each setting has its specific documentation processes and tools:
Long-Term Care Facilities
Continuing Care01:25

Continuing Care

Continuing care describes the variety of health, personal, and social services provided over a prolonged period. The need for continuing care is increasing because people are living longer. Many people do not have families or others to care for them. Continuing care is mainly for patients who are disabled, functionally dependent, or suffering from a terminal disease. It is available within institutional settings or in homes. Examples include nursing centers or facilities, assisted living,...

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Related Experiment Video

Updated: Jun 11, 2026

Walk with Me Hybrid Virtual/In-Person Walking for Older Adults with Neurodegenerative Disease
07:21

Walk with Me Hybrid Virtual/In-Person Walking for Older Adults with Neurodegenerative Disease

Published on: June 16, 2023

Hiking on the geriatrics rotation.

Barry D Weiss1, Lynne Tomasa

  • 1Department of Family and Community Medicine, University of Arizona, Arizona Center on Aging, Tucson, AZ 85719, USA. bdweiss@u.arizona.edu

Family Medicine
|July 15, 2010
PubMed
Summary

Geriatrics residents gained new insights into healthy aging by hiking with active seniors. This experience highlighted the impressive physical capabilities of older adults, challenging common perceptions.

Area of Science:

  • Gerontology
  • Medical Education

Background:

  • Geriatrics training often focuses on illness and decline in older adults.
  • Existing programs may offer limited exposure to healthy, active aging individuals.

Purpose of the Study:

  • To demonstrate the physical capabilities of older adults to medical residents.
  • To challenge stereotypes of aging through direct experience with vigorous seniors.

Main Methods:

  • Medical residents participated in a hike with a senior hiking club (ages 60s-80s).
  • The hike involved a significant climb (1,700 feet).
  • Residents provided feedback on the experience's value and learning outcomes.

Main Results:

  • All participating residents found the experience worthwhile.

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  • A majority of residents reported a revised perception of older adults' physical abilities.
  • Conclusions:

    • Exposure to physically active older adults can reshape residents' understanding of healthy aging.
    • This experiential learning approach may foster more accurate views of geriatric capabilities.