In an age where the 100-year life is no longer a distant possibility but a demographic reality, our greatest challenge lies not in simply adding years to life but in ensuring those years are healthy, purposeful, and independent. The distinction between lifespan and healthspan has become increasingly urgent, as more individuals are living into their 80s and 90s while grappling with preventable chronic illness, frailty, or social isolation.
Over the past decade, I have served on boards across Singapore’s eldercare and healthcare ecosystem. These experiences, particularly in community-based health have offered me a front-row seat to the human consequences of how well, or how poorly, we are preparing for extended longevity.
Designing for Health, Not Just Treating Disease
As we age, the value of preventive and proactive healthcare cannot be overstated. Too often, older adults are caught in cycles of avoidable decline: falls, hospitalizations, chronic conditions which could have underlying genetic causes but significantly exacerbated by poor lifestyle choices in nutrition or inactivity. Yet these outcomes are not inevitable. I have witnessed the transformative power of upstream interventions: fall-prevention programmes that sustain mobility and confidence; dietary coaching that addresses both malnutrition and chronic illness; and strength training routines that restore balance and reduce frailty. These are the building blocks of healthspan.
Professor Andrea Maier, Oon Chiew Seng Professor of Medicine and Co-Director of the Centre for Healthy Longevity at NUS, frames this challenge in clear terms:
“Ageing is not a cliff we suddenly fall from, but a slope we can learn to descend more slowly, with strength and dignity.” Her research in precision geromedicine demonstrates that prevention can alter the trajectory of ageing. From optimising sleep and nutrition to monitoring biological age markers through wearables, preventive interventions shift the focus from treating disease after it strikes to earning more years of vitality before decline sets in. As she reminds us, genes may set the stage, but lifestyle and behaviour determine how the play unfolds.
Embracing Personalization in Care
The future of healthcare must be personalized to the best of our healthcare system, factoring in costs and efficiencies. No two individuals age in exactly the same way. Differences in genetics, lifestyle, pre-existing conditions, and socioeconomic status all contribute to vastly different trajectories of aging. Health systems and technologies must move away from generic, one-size-fits-all protocols toward individualized wellness roadmaps using tools such as wearable diagnostics, AI-driven health assessments, and even epigenetic profiling to design interventions that are tailored, responsive, and relevant.
A critical enabler will be biomarkers measurable signals of biological ageing such as epigenetic clocks, inflammation scores, or intrinsic capacity. Establishing consensus on which markers best predict healthspan will allow physicians to personalize care, regulators to approve therapies faster, and consumers to track their own ageing with the same precision we now track cholesterol or blood pressure.
Crucially, personalization depends on having the right data. As Dr Claudine Pang, Founder and Medical Director of Asia Longevity, and double board certified in Anti-Aging and Regenerative Medicine, Lifestyle Medicine, and Functional Medicine, explains,
“It’s not about collecting more data, but about measuring what truly matters. The key lies in focusing on the right biomarkers and interpreting them in a way that gives patients clarity on the personalised interventions and health strategies they can adopt to improve their health span.” This is where longevity screenings come in. These screenings capture the biomarkers of aging, stress, inflammation, metabolism, and cellular resilience. Medical specialists can interpret these data points in holistic way and enable the move beyond generic treatments, and towards preventive measures that address the unique needs of each individual.
From Biology to Bio-Innovation: A Glimpse into Immune Cell Therapies
A new frontier in healthspan planning lies in regenerative immunology — harnessing the body’s own immune system not just to treat illness, but to prevent age-related decline. Through cutting-edge research in immune cell therapy, scientists are reprogramming immune cells to remove senescent (or “zombie”) cells that accumulate with age and accelerate degeneration.
In my own work, and through the insights gained during the DSFP module “Thriving in the 100-Year Life”, it is increasingly evident that immunotherapeutics once designed for cancer treatment are now being explored to enhance vitality and resilience in aging.
According to Andy Tay (Presidential Young Professor in the Department of Biomedical Engineering at the National University of Singapore (NUS) and Principal Investigator at the Institute of Health Innovation & Technology and NUS Tissue Engineering Programme),
these therapies can potentially be administered as a preventive measure, recalibrating the immune system to delay or even reverse elements of biological aging. Some possibilities include reintroduction of young immune cells, removing senescent immune cells and reprogramming senescent immune cells into their younger counterparts.
Singapore’s ecosystem is uniquely positioned to lead in this domain. But to truly scale these solutions, public trust, equitable access, and new regulatory frameworks must be co-developed in tandem with biomedical progress.
Technology and Innovation as Enablers of Aging Well
Enduring health, we believe, cannot be left to chance. It must be designed, planned, and resourced both personally and societally. That includes embracing technology not as a novelty, but as a strategic enabler of aging well.
During my tenure as Chairman of a community healthcare provider, I spearheaded the Practical Innovations for Elders (PIE) initiative, a mock-up HDB flat built within our headquarters. Seniors visiting for rehabilitation could test assistive technologies in a safe environment: from local dialect voice-activated systems and smart monitoring devices to adaptive kitchen tools. This initiative empowered both seniors and caregivers to make informed choices, prioritizing usability, safety, and peace of mind.
Dr Kelvin Phua, CEO of SATA Commhealth, “Seniors and their caregivers are often confused by the explosion of new devices with innovative assistive technologies. The therapists curate the selection of affordable and commercially available products and ensures that the seniors can incorporate these to help their daily lives”.
This aligns with a wider global trend: the rise of the quality-of-life (QoL) economy. Beyond healthcare, industries from real estate to finance are embedding healthspan into their offerings. Developers design WELL-certified buildings that promote air and light quality; banks create financial products for aging-in-place renovations; and tech companies like Apple and Samsung build ecosystems that integrate wearables, apps, and AI for personalized well-being. The QoL market could grow to $6.7–$11.2 trillion by 2034, reflecting that consumers, 60% of whom already rate healthy ageing as a top priority are willing to pay for solutions that extend vitality. (McKinsey & Company. Investing in Living Better: Quality of Life and the Future of Business. Private Capital Practice, June 2025.)
Reimagining the Healthspan Ecosystem
We need systems that are not only technologically advanced but also proactive, inclusive, and equitable, reaching the digitally underserved, the isolated, and those most at risk of being left behind.
The Longevity MetaTrend report underscores the urgency: while life expectancy rises, the average individual now spends nearly a decade in poor health. This is not just a healthcare issue, it is an economic and social one. The cost of inaction is measured not only in fiscal terms, but in dignity lost and human potential left unrealized.
To bridge the healthspan-lifespan gap, we must reimagine care models to include:
- Personalized wellness roadmaps
- Early detection of cognitive and mental health decline
- Advance care planning as standard practice
- Seamless navigation across hospitals, homes, and community settings
- Risk-aware medical guidance, balancing safety and outcomes
- Bioengineered health innovations to delay or reverse cellular aging
Across our experiences in eldercare, innovation, and research, one principle stands out: seniors thrive when treated not as passive recipients of care, but as capable individuals with aspirations, routines, and contributions to make. Enduring health planning is about preserving agency, ensuring that as we age, we retain the ability to choose, to contribute, and to connect.
If we are to thrive in the 100-year life, enduring health must not be seen as a luxury. It is a necessity, and more than that, it is a shared responsibility, perhaps the greatest opportunity for collective impact in our time.
Look out for Part 5, where we explore “Remembered Legacy , Designing the Future We Leave Behind”
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