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Related Concept Videos

Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

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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...
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Cognitive Development During Adulthood01:30

Cognitive Development During Adulthood

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Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
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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
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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 Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

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Geriatric patients show significant variation in how their bodies process medications, which can change how effective and safe treatments are. The liver is the primary organ where drug metabolism occurs, involving two main types of chemical reactions: phase I and II. Phase I metabolism is driven by the cytochrome P450 enzyme system, which includes key types such as CYP3A, CYP2D6, and CYP2C9. Research indicates that while aging doesn't notably alter the levels or activity of these enzymes, it...
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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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Related Experiment Video

Updated: Dec 23, 2025

A Computerized Functional Skills Assessment and Training Program Targeting Technology Based Everyday Functional Skills
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Integrating functional ageing into daily clinical practice.

Jean-Pierre Michel1, Fiona Ecarnot2

  • 1University of Geneva, Switzerland and French Academy of Medicine, Paris, France.

Journal of Frailty, Sarcopenia and Falls
|April 18, 2020
PubMed
Summary
This summary is machine-generated.

Maintaining functional ability throughout life requires consistent exercise. Preventing functional decline involves addressing diverse risks like inactivity, poor nutrition, and chronic diseases, crucial for public health.

Keywords:
AgeingChronic diseasesDaily functioningDisabilityPrevention

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Area of Science:

  • Gerontology
  • Public Health
  • Exercise Science

Background:

  • Functional ability is integral to daily life across the lifespan, from youth to very old age.
  • Maintaining physical function is linked to regular exercise, but decline has varied causes.
  • Functional decline poses a significant public health challenge.

Purpose of the Study:

  • To analyze the ageing trajectory and its relationship with functional ability.
  • To identify key factors contributing to functional decline.
  • To emphasize the importance of prevention strategies for healthy ageing.

Main Methods:

  • Analysis of ageing trajectories and functional ability.
  • Identification of risk factors for functional decline.
  • Review of public health strategies for promoting healthy ageing.

Main Results:

  • Persistent regular exercise is associated with maintaining function.
  • Diverse factors contribute to functional decline, including inactivity, nutrition, chronic diseases, and socio-economic issues.
  • Public health interventions are vital for preventing decline.

Conclusions:

  • Promoting healthy ageing requires individual responsibility and societal support.
  • Interventions should focus on education, healthy diet, physical activity, and lifestyle modification.
  • Successful strategies aim to compress disability and shift from morbidity pandemics.