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Related Concept Videos

Aging01:26

Aging

1.1K
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

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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Mitochondria01:37

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Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary function, mitochondria are involved in various cellular processes, including cell growth, differentiation, signaling, metabolism, and senescence. Age-related changes cause a decline in mitochondrial quality and integrity due to increased mitochondrial mutations and oxidative damage. Thus, aging can severely impact mitochondrial functions,...
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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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Development of Human Microbiota01:30

Development of Human Microbiota

49
The human microbiota begins developing at birth and undergoes continual change as we age. Infancy marks a critical period of microbial sensitivity, offering a “window of opportunity” during which beneficial microbes help mature the immune system. By age three, children typically develop a more stable and diverse microbial community. Newborns acquire microbes from their immediate environment; vaginal delivery favors maternal vaginal microbes, while cesarean births favor microbes from...
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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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Related Experiment Video

Updated: Apr 14, 2026

A Suppressor Screen for the Characterization of Genetic Links Regulating Chronological Lifespan in Saccharomyces cerevisiae
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Interventions to Slow Aging in Humans: Are We Ready?

Valter D Longo1,2, Adam Antebi3, Andrzej Bartke4

  • 1Davis School of Gerontology and Department of Biological Sciences, Longevity Institute, University of Southern California, Los Angeles, CA, 90089, USA.

Aging Cell
|April 24, 2015
PubMed
Summary

Experts reached a consensus that interventions can slow human aging and prevent age-related diseases. Promising strategies include dietary changes and drugs targeting key aging pathways for extended healthspan.

Keywords:
aginganti-agingcentenariansdietary restrictionlifespan studieslongevity genelongevity regulation

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Area of Science:

  • Gerontology and longevity research.
  • Translational medicine and therapeutic interventions.

Background:

  • A workshop convened experts to discuss interventions for slowing human aging and extending healthspan.
  • Existing evidence suggests aging interventions can delay chronic diseases in adults and the elderly.

Purpose of the Study:

  • To achieve expert consensus on the discovery and development of safe interventions to slow aging.
  • To identify promising strategies for human testing to improve healthspan.

Main Methods:

  • Consensus-building among leading experts in aging biology and genetics.
  • Review of evidence from model organisms and rodents for pro-longevity effects.
  • Selection of promising interventions for human healthspan extension.

Main Results:

  • Consensus that aging interventions can delay disease onset and improve healthspan.
  • Identification of key aging pathways and potential intervention strategies.
  • Selection of four promising intervention categories for human testing.

Conclusions:

  • Dietary interventions (e.g., fasting-mimicking diets) show potential for slowing aging.
  • Pharmacological interventions targeting growth hormone/IGF-I, mTOR-S6K, AMPK, or sirtuins are promising.
  • These interventions, based on animal studies, may safely extend human healthspan and prevent age-related diseases.