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Related Concept Videos

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...
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...
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...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution01:00

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

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 not...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

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...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

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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Updated: Jul 2, 2026

Frailty Assessment in an Aging Mouse Model
06:58

Frailty Assessment in an Aging Mouse Model

Published on: September 23, 2025

Risk aversion and time preference among elderly: does frailty matter?

Richard K Moussa1

  • 1Ecole Nationale Supérieure de Statistique et d'Economie Appliquée (ENSEA), Côte d'Ivoire, Abidjan, Côte d'Ivoire. moussakr@gmail.com.

International Journal of Health Economics and Management
|June 30, 2026
PubMed
Summary
This summary is machine-generated.

Frailty in older adults impacts economic decisions, making them less risk-averse and more focused on immediate rewards. Addressing frailty may improve financial choices and long-term well-being for the aging population.

Keywords:
Frailty, elderlyRisk aversionTime preference

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Area of Science:

  • Gerontology
  • Behavioral Economics
  • Public Health

Background:

  • Frailty is a significant factor influencing older adults' behavior and economic choices.
  • Understanding the link between frailty, risk preferences, and time preferences is crucial for decision-making in aging populations.
  • Existing research has not fully explored the relationship between frailty and economic decision-making factors.

Purpose of the Study:

  • To investigate the influence of frailty on risk and time preferences among older adults.
  • To analyze how frailty affects intertemporal choices and attitudes toward risk.
  • To explore potential policy implications for improving economic decision-making in aging populations.

Main Methods:

  • Data collected from older adults in two regions of Côte d'Ivoire.
  • Gambling-based methods used to measure risk and time preferences.
  • A 30-item frailty questionnaire administered.
  • Copula-based endogenous treatment effect model employed to address endogeneity.

Main Results:

  • Frailty is associated with reduced risk aversion in older adults.
  • Increased frailty correlates with a stronger preference for immediate rewards.
  • The study identified a significant relationship between physical frailty and economic decision-making.

Conclusions:

  • Frailty significantly alters economic decision-making, leading to less risk aversion and a focus on immediate gratification.
  • Interventions aimed at reducing frailty may positively impact economic choices and enhance long-term well-being for older adults.
  • Findings highlight the importance of considering physical health status in economic and behavioral research concerning aging populations.