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Related Concept Videos

The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

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

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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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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 Metabolism01:18

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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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Related Experiment Video

Updated: May 1, 2026

Assessment of Glutamine as a Fuel Source for Alveolar Macrophages Exposed to Chronic Ethanol Using an Extracellular Flux Bioanalyzer
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[Aging and alcohol consumption].

Pascal Menecier

    Soins. Gerontologie
    |April 22, 2014
    PubMed
    Summary
    This summary is machine-generated.

    Alcohol consumption poses significant somatic, psychological, and medication interaction risks for older adults. Despite changing presentations, alcohol misuse is treatable in the elderly with a positive prognosis.

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    Area of Science:

    • Gerontology
    • Addiction Medicine
    • Clinical Pharmacology

    Context:

    • Alcohol consumption risks escalate in older adults, encompassing physical health, mental well-being, and medication interactions.
    • Alcohol misuse persists into old age, often manifesting atypically due to co-morbidities and environmental factors.
    • Understanding the unique challenges of alcohol-related issues in the elderly population is crucial for effective intervention.

    Purpose:

    • To highlight the heightened risks of alcohol consumption in the elderly.
    • To describe the varied and sometimes atypical presentations of alcohol misuse in older adults.
    • To emphasize the possibility and positive prognosis of alcohol treatment in the elderly population.

    Summary:

    • Older adults face increased somatic, psychological, and pharmacological risks from alcohol consumption.
    • Alcohol misuse in the elderly presents diversely, influenced by co-morbidities and care settings.
    • Effective alcohol treatment is achievable for older individuals, often with outcomes comparable or superior to younger adults.

    Impact:

    • Informing healthcare providers about the specific risks and treatment considerations for alcohol use in geriatric populations.
    • Encouraging early identification and intervention for alcohol misuse among older adults.
    • Improving patient outcomes and quality of life for elderly individuals with alcohol-related conditions.