The Key Questions of Longevity Research

By Josh Conway | November 13, 2025

In an article published in GeroScience, a comprehensive analysis was conducted by a team of researchers, including the notable João Pedro de Magalhães, focusing on the pivotal questions surrounding aging and the applications of potential interventions.

Finding the Right Questions

Understanding the fundamental nature of aging has perplexed humanity since the dawn of time, with researchers and individuals alike striving for longer lives. The essence of this pursuit often lies in formulating the right questions, which can sometimes prove more significant than merely seeking answers. Nearly fifty years ago, B.L. Strehler made an effort to address this dilemma in his work, Time, Cells, and Aging [1]. Despite varying opinions on the viability of this task, the evolution of the field has prompted a renewed examination. The current team leveraged modern analysis techniques to identify the most frequently asked questions in aging research.

To compile their list of questions, the researchers employed several methods. Initially, they solicited feedback from the research community, garnering 160 open problems that were subsequently added to their database. They also convened a three-day workshop with 24 scientists to further explore unsolved challenges, yielding 130 additional problems. Through careful filtering of similarities and thematic relevance, the researchers narrowed these inquiries down to 204. A natural language processing algorithm was utilized to assess the frequency of these issues mentioned in scientific article abstracts, ensuring alignment between the topics and the published articles. Ultimately, 100 questions were selected for in-depth discussion by Professor de Magalhães.

The Biggest Question is Why

Unsurprisingly, the most prevalent question remains: “Why do we age?” This inquiry has appeared in a staggering 10,808 scientific articles. Close behind is the question regarding somatic mutation accumulation, featuring in 5,977 articles. Questions pertaining to cellular processes, species longevity, and fundamental aging mechanisms in animals—alongside their translational relevance to humans—were commonly noted. Biomarkers of aging also emerged as a critical area of concern.

Questions surrounding interventions, particularly those targeting cellular function, were prevalent, focusing on:

  • Inflammation reduction strategies
  • Embryogenetic processes aimed at decelerating aging
  • Partial reprogramming approaches

Conversely, some inquiries received minimal attention. Topics such as homeodynamic space—related to organizational stability—were among the least explored, with only a single paper addressing it. Similarly, the prioritization of interventions, mitochondrial citrate, and immune responses to mutated cells remain lightly traversed subjects in the literature.

The Field Has Come a Long Way, But There is Still Much to Do

There remains a notable continuity between the questions of the past as posed by Strehler in 1977, particularly those concerning central nervous system disorders, while inter-species question resolutions have improved over time. Contemporary research still investigates the roles of mitochondria; however, the focus has shifted toward cellular dynamics rather than the fundamental biological interests of yesteryear, such as enzymes and ribosomes—all of which are now relatively well-understood. Nevertheless, the transformations these biological components undergo as aging progresses remain complex and often ambiguous.

Scientific inquiry in the biological realm, especially when confronting intricate issues, frequently results in the emergence of additional questions. The 100 inquiries generated through this research endeavor are designed to be foundational to the domain of longevity, and although resolving them might give rise to further queries, it is hoped that this process will pave the way for impactful interventions capable of extending healthy human lifespans.

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About the Author

Josh Conway
Josh has been writing and editing Lifespan articles over the past decade and is responsible for the continued production of daily news content. He possesses a programming background and is a longtime supporter of anti-aging medicine.