Back to Insight Magazine

Wearables & AI in aging research: Tracking health in real time

As the population ages, researchers are turning to wearables and artificial intelligence to monitor biological changes in real time. These technologies offer new ways to personalize health tracking, detect early signs of decline, and even influence longevity strategies. In this article, we explore how wearables are reshaping aging research, what AI adds to the equation, and where cryopreservation fits for those facing terminal illness.
4 minutes
|
July 3, 2025
|
Longevity
|
Aging
Joana Vargas

The shift from snapshots to streams

Traditional approaches to studying aging rely on snapshots: bloodwork every few months, physical exams once a year, and self-reported symptoms when something feels off. But aging doesn’t happen in moments. It is a continuous process, driven by cellular changes, metabolic fluctuations, and environmental inputs that evolve hour by hour.

That’s where wearables come in. These small, sensor-equipped devices, watches, rings, patches, even smart clothing, allow researchers and users to track vital signs and activity in real time. When combined with artificial intelligence, this data becomes more than just numbers. It becomes insight.

What wearables can measure

Modern wearables can track a wide range of metrics, including:

- Resting heart rate and heart rate variability

- Respiratory rate

- Sleep duration and sleep stage composition

- Step count and physical activity intensity

- Blood oxygen saturation

- Skin temperature fluctuations

- Electrodermal activity, a proxy for stress

More advanced wearables are moving into blood glucose monitoring, hydration, blood pressure, and even early signs of infection or inflammation.

For aging research, these data streams offer an unprecedented view into how the body responds to stress, recovers from effort, and adapts to change, all of which become more important with age.

Why real-time data matters for aging

One of the defining challenges of aging research is variability. People of the same age can have vastly different biological ages, health risks, and resilience levels. Wearables help researchers go beyond averages and build personalized baselines for individuals.

Instead of asking “What is normal for a 70-year-old?” the question becomes “What is normal for you?” That shift unlocks more precise, preventative, and adaptive health strategies.

The role of AI in making sense of it all

If wearables generate the data, artificial intelligence is what makes the data meaningful.

AI algorithms can detect patterns across thousands of data points per person per day. They learn what your “normal” looks like, then flag changes that could signal a problem. That could mean recognizing sleep disruptions that precede cognitive decline, or spotting subtle heart rate changes that hint at upcoming illness.

In research settings, AI also helps scientists analyze how aging unfolds across large populations. It can identify biomarkers of aging, predict risk trajectories, and test the effect of interventions like fasting, exercise, or supplements in near real time.

Importantly, AI is also helping develop biological age clocks, tools that estimate biological rather than chronological age based on molecular and physiological data. These clocks offer a new way to measure the effects of lifestyle changes and emerging therapies on the aging process.

Challenges and ethical questions

While the promise is real, so are the challenges. Wearables are only as good as their design, calibration, and user compliance. Not everyone wears their devices consistently or correctly. Data can be noisy, fragmented, or biased.

Privacy is another concern. Continuous tracking generates highly personal health data, and not all companies have clear policies on how this data is stored, used, or shared. For vulnerable populations, including older adults, the risks of misuse or misinterpretation are significant.

Then there is the psychological dimension. Constant self-monitoring can lead to anxiety or obsession, especially when users do not have proper guidance on how to interpret the numbers they see.

Applications beyond prevention: what this means for care and planning

Real-time health tracking is not just useful for prevention. It is also helping people live better with chronic illness, adapt to long-term treatment plans, and make more informed decisions about their futures.

For older adults at risk of frailty, wearables can detect falls, prompt reminders to take medications, and monitor for early signs of delirium or infection. For people with degenerative diseases, they offer a way to preserve independence while ensuring safety.

And for those facing terminal diagnoses, wearables offer a final form of connection a way to document, understand, and sometimes even delay the decline.

But when decline cannot be reversed, when no data can change the outcome, another option emerges.

When data meets the limits of biology: cryopreservation as a choice

Cryopreservation is not about daily optimization. It is about preserving the potential for future life when the present body can no longer support it.

The process involves stabilizing and storing the body at ultra-low temperatures after legal death, in order to preserve the biological structure until future science may allow repair or revival. It is not a cure, and it is not a promise. But it is a scientifically grounded option for those who believe their story is not yet finished.

At Tomorrow.bio, we meet people in all stages of life, those actively exploring longevity through wearables and AI, and those preparing for what comes next when time runs short. If you are curious about how cryopreservation works or whether it aligns with your values, we are here to explain the process, with empathy and clarity. Wearables and AI are not just fitness tools. They are becoming instruments of aging research, chronic care, and personal decision-making. They allow us to track decline before it happens, monitor recovery in real time, and understand the complex rhythms of life as it evolves.

But no tool can make us immortal. That is why, when the tools run out, cryopreservation exists, to offer another path, another possibility, grounded in science and guided by hope.

At Tomorrow.bio, we believe that every moment of data, care, and choice matters, especially when it leads you toward a future that still holds something worth returning for.

About Tomorrow.bio

At Tomorrow.bio we are dedicated to advancing the science of cryopreservation with the goal of giving people a second chance at life As Europe’s leading human cryopreservation provider we focus on rapid high-quality standby, stabilization and storage of terminal patients preserving them until future technologies may allow revival and treatment.

Our mission is to make human cryopreservation a reliable and accessible option for everyone We believe that no life should end because current capabilities fall short.

Our vision is a future where death is optional where people have the freedom to choose long-term preservation in the face of terminal illness or fatal injury and to awaken when science has caught upInterested in learning more or becoming a member

📧 Contact us at hello@tomorrow.bio

🌐 Visit our website www.tomorrow.bio

🤝 Schedule a call with our team Book a consultation