Thursday, August 06, 2026

Hyperfunction theory offers a new perspective on why we age

“Overall, programmatic mechanisms offer a coherent conceptual framework that fits the current empirical data, including species differences in aging and longevity manipulations in animal models”

Impact Journals LLC

“Overall, programmatic mechanisms offer a coherent conceptual framework that fits the current empirical data, including species differences in aging and longevity manipulations in animal models.”

BUFFALO, NY — August 6, 2026 — A new research perspective was published in Volume 18 of Aging on July 24, 2026, titled “A brief history of the hyperfunction theory of aging and future directions.”

The article was written by João Pedro de Magalhães from the Genomics of Ageing and Rejuvenation Lab, Department of Inflammation and Ageing, College of Medicine and Health, University of Birmingham, United Kingdom.

Rather than presenting new experimental findings, the perspective examines the historical development of the hyperfunction theory of aging, reviews evidence supporting programmatic mechanisms of aging, and discusses future directions for understanding why organisms age and how aging might eventually be modified.

For decades, most aging research has been dominated by the idea that aging results primarily from the gradual accumulation of molecular damage, including DNA damage, oxidative stress, mitochondrial dysfunction, and protein deterioration. In contrast, the hyperfunction theory proposes that aging is driven largely by developmental and growth programs that continue operating beyond their beneficial period. Rather than being intentionally programmed, aging is viewed as a consequence of biological pathways that promote growth and reproduction early in life but become harmful when they continue later in adulthood.

The perspective traces the historical roots of these ideas from early theories proposed in the nineteenth century through Clive McCay’s pioneering caloric restriction experiments and George Williams’ concept of antagonistic pleiotropy. Particular attention is given to the contributions of the late Mikhail Blagosklonny, whose hyperfunction theory proposed that aging results from “quasi-programs”—developmental processes that fail to switch off after their normal biological role has ended. The author argues that this framework provides a mechanistic explanation linking evolutionary theory with many biological features of aging.

The article also reviews experimental observations that have strengthened interest in programmatic aging. Studies demonstrating that single-gene manipulations can substantially extend lifespan in animal models, together with evidence that reduced growth hormone and insulin-like growth factor-1 (IGF-1) signaling can slow aging in mice and that rapamycin inhibits TOR signaling and extends lifespan, are presented as important support for the hyperfunction framework. Likewise, caloric restriction is discussed as another intervention whose lifespan-extending effects are more consistent with regulated biological processes than with aging driven solely by passive damage accumulation. At the same time, the author acknowledges that molecular damage clearly contributes to diseases such as cancer and likely interacts with programmatic mechanisms during aging rather than being entirely independent of them.

Looking ahead, the perspective highlights several research directions that could help distinguish competing theories of aging. The author argues that studying developmental biology alongside aging may reveal how genetic programs governing growth, tissue repair, and regeneration later contribute to functional decline. Emerging rejuvenation approaches, including partial cellular reprogramming, are also discussed as potentially powerful tests of the hyperfunction theory because they aim to reset biological age through changes in gene regulation rather than by simply repairing accumulated molecular damage. The perspective suggests that identifying tissue-specific rejuvenation programs could eventually lead to interventions capable of restoring function while minimizing unwanted effects such as increased cancer risk.

“The hyperfunction framework developed by Blagosklonny, and the elegant term hyperfunction itself, provide a powerful and underappreciated lens through which to understand aging.”

The author also emphasizes that important questions remain unresolved. Programmatic theories must still be tested experimentally, their molecular mechanisms further defined, and their relevance to human aging established. The perspective notes that aging is likely influenced by both developmental programs and molecular damage, with their relative contributions varying across tissues and diseases. Future work integrating developmental biology, genetics, epigenetics, and regenerative medicine will be essential for determining how these processes interact throughout life.

Overall, this research perspective presents a comprehensive overview of an influential but still underappreciated conceptual framework in modern aging biology. By placing decades of theoretical and experimental work into historical context, the article argues that developmental programs continuing beyond their adaptive role may represent a fundamental driver of aging. While additional empirical evidence is needed, the perspective suggests that understanding and selectively modifying these biological programs could become an important direction for future longevity research and the development of interventions that promote healthy aging.

Paper DOI: https://doi.org/10.18632/aging.206403

Corresponding author: João Pedro de Magalhães – jp@senescence.info

Keywords: antagonistic pleiotropy, longevity, programmatic aging, quasi-program

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Journal

Aging-US

DOI

10.18632/aging.206403

Method of Research

News article

Subject of Research

Not applicable

Article Title

A brief history of the hyperfunction theory of aging and future directions

COI Statement

JPM is CSO of YouthBio Therapeutics, a company developing rejuvenation gene therapies based on partial reprogramming, an advisor/consultant for the BOLD Longevity Growth Fund and NOVOS, and the founder of Magellan Science Ltd, a company providing consulting services in longevity science.

Obesity may accelerate aging through shared biological pathways

Compuscript Ltd

fig 1 — image:
Image Caption: Ten key processes underlying obesity-accelerated aging, including system inflammation, telomere depletion, epigenetic aging-like alterations, mitochondrial dysfunction, stem cell exhaustion, deregulated nutrient sensing, genomic instability, homeostasis loss, the accumulation of senescent cells, and gut dysbiosis.
Image link: https://ars.els-cdn.com/content/image/1-s2.0-S2352304225004696-gr1_lrg.jpg
view more
Credit: Genes & Diseases

The global rise in obesity and population aging represents a major public health challenge, with growing evidence suggesting that excess body fat not only increases the risk of chronic disease but may also accelerate the biological aging process. A new review examines the close relationship between obesity and aging, highlighting the overlapping molecular mechanisms that link the two conditions and exploring whether anti-obesity therapies could help slow aging and reduce age-related disease.

The review explains that aging is driven by multiple biological hallmarks, including chronic inflammation, telomere shortening, mitochondrial dysfunction, genomic instability, impaired protein homeostasis, stem cell exhaustion, and altered nutrient sensing. Obesity appears to promote many of these same changes, suggesting that it acts as an accelerator of biological aging rather than simply increasing disease risk independently.

One of the strongest links between obesity and aging is chronic low-grade inflammation. Excess adipose tissue becomes infiltrated by immune cells that produce inflammatory cytokines, creating persistent systemic inflammation that contributes to insulin resistance, metabolic dysfunction, cardiovascular disease, and tissue damage. According to the review, this inflammatory state closely resembles the phenomenon of “inflammaging” observed during normal aging.

The authors also describe several additional mechanisms through which obesity may accelerate aging, including telomere depletion, epigenetic alterations, mitochondrial dysfunction, stem cell exhaustion, genomic instability, protein homeostasis disruption, cellular senescence, and gut microbiome dysbiosis. A summary diagram in the review illustrates these ten interconnected processes, emphasizing how obesity affects many of the same biological pathways that naturally deteriorate with age.

The review highlights evidence that weight loss interventions may partially reverse some of these aging-related changes. Lifestyle approaches such as calorie restriction and exercise, together with pharmacological treatments and bariatric surgery, have been associated with improvements in metabolic function and reductions in biological markers linked to aging. In particular, modern anti-obesity medications—including liraglutide, semaglutide, tirzepatide, and orlistat—are discussed for their potential to improve healthy lifespan by reducing inflammation, improving mitochondrial function, enhancing telomerase activity, and limiting oxidative stress.

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Genes & Diseases publishes rigorously peer-reviewed and high quality original articles and authoritative reviews that focus on the molecular bases of human diseases. Emphasis is placed on hypothesis-driven, mechanistic studies relevant to pathogenesis and/or experimental therapeutics of human diseases. The journal has worldwide authorship, and a broad scope in basic and translational biomedical research of molecular biology, molecular genetics, and cell biology, including but not limited to cell proliferation and apoptosis, signal transduction, stem cell biology, developmental biology, gene regulation and epigenetics, cancer biology, immunity and infection, neuroscience, disease-specific animal models, gene and cell-based therapies, and regenerative medicine.

Scopus CiteScore: 10.4 |Impact Factor:14.6

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Editorial Board: https://www.keaipublishing.com/en/journals/genes-and-diseases/editorial-board/
All issues and articles in press are available online in ScienceDirect (https://www.sciencedirect.com/journal/genes-and-diseases).

Submissions to Genes & Diseases may be made using Editorial Manager (https://www.editorialmanager.com/gendis/default.aspx).

Print ISSN: 2352-4820
eISSN: 2352-3042
CN: 50-1221/R
Contact Us: editor@genesndiseases.cn
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Reference

Rui Zhang, Linlin Liu, Xiaoman Shi, Yanming Ren, Obesity accelerates aging: Mechanisms and therapeutic implications, Genes & Diseases, Volume 13, Issue 5, 2026, 101980, https://doi.org/10.1016/j.gendis.2025.101980

Funding

National Natural Science Foundation of China 82302627

National Natural Science Foundation of China 82472683