- Geroscience is an emerging field that studies how the biology of aging, not just traditional risk factors like cholesterol and blood pressure, drives the development of heart disease.
- The changes that increase cardiovascular risk begin decades before symptoms appear, which means the opportunity for intervention is far earlier than most people realise.
- Chronic low-grade inflammation, sometimes called “inflammaging”, is one of the central biological processes linking aging to heart disease, and can be detected through blood biomarkers such as hs-CRP.
- Geroscience-informed prevention focuses on biological age rather than chronological age, how well your body is actually functioning, which can differ significantly from the number of years you have lived.
- Many of the interventions supported by geroscience are already available, diet, exercise, sleep, and stress management, applied earlier and more precisely than conventional approaches.
You may already be familiar with traditional cardiology, a field focused on treating heart disease using medications, procedures, and lifestyle changes. While this remains absolutely essential, a cutting-edge area of science is emerging that could transform how we think about prevention and longevity. It is called Geroscience and it is reshaping the way we understand heart health.
This article was written by A/Prof Nagesh Anavekar, cardiologist and specialist in cardiac imaging, whose research interest includes the application of geroscience principles to cardiovascular prevention.
So What Exactly Is Geroscience?
Think of traditional medicine as addressing the “what”, what condition you have, what symptoms you feel. Geroscience, in contrast, investigates the “why.” Why do we become more vulnerable to heart disease as we age? Why do some people remain healthy into their 90s, while others develop heart problems decades earlier?
Geroscience is the study of how aging itself contributes to chronic conditions like heart disease. Rather than viewing heart disease as a separate problem to be addressed in isolation, it looks at aging as the underlying biological process that sets the stage for many health issues simultaneously, across the heart, brain, kidneys, and beyond.
Geroscience doesn’t ask “what disease do you have?”, it asks “how is your biology aging, and what can we do about it before disease appears?”
— A/Prof Nagesh Anavekar
How Aging Affects the Heart and Blood Vessels
Cardiovascular disease remains one of the most common and serious health challenges worldwide. While traditional risk factors, cholesterol, blood pressure, smoking, diabetes, are undeniably important, geroscience shifts the focus upstream, to the biological processes of aging that drive these risks in the first place.
As we age, changes occur in the heart and blood vessels that progressively increase the likelihood of disease. Arteries become stiffer and less responsive. The inner lining of blood vessels, the endothelium, becomes less efficient at regulating blood flow and inflammation. Cellular repair mechanisms slow down. These shifts contribute to:
- Atherosclerosis the gradual build-up of fatty plaques inside arterial walls, driven by chronic inflammation and endothelial dysfunction
- Hypertension elevated blood pressure arising partly from age-related vascular stiffness and altered regulation
- Heart failure impaired energy production at the cellular level and progressive structural changes in the heart muscle
- Atrial fibrillation the most common heart rhythm disorder, linked to age-related electrical and fibrotic changes in heart tissue
Crucially, these changes begin long before any diagnosis is made, often decades earlier. Geroscience is not focused solely on older adults or geriatric care. It is concerned with the biology of aging that begins to influence health across adulthood, which means the window for effective intervention is much wider than most people assume.
The Inflammation Connection, “Inflammaging”
One of the most active areas of geroscience research involves chronic low-level inflammation, a persistent, smouldering immune activation that damages tissues over time, including the blood vessel walls that supply the heart. Researchers have coined the term “inflammaging” to describe this process.
Unlike the acute inflammation you experience with an infection or injury, which resolves, inflammaging is quiet and sustained. It does not cause obvious symptoms, but over years and decades it contributes meaningfully to the development of atherosclerosis, metabolic disease, and cardiovascular events.
A key biomarker for detecting this process is high-sensitivity C-reactive protein (hs-CRP) a blood test that can detect low-grade inflammation not captured by standard testing. Elevated hs-CRP levels are associated with increased cardiovascular risk and can help guide clinical decision-making, particularly for individuals whose risk is not clearly defined by traditional measures alone.
Beyond hs-CRP, a number of other biomarkers are under active investigation as tools for detecting biological aging and cardiovascular risk earlier and more precisely. These include:
- Interleukin-6 (IL-6) and TNF-alpha markers of immune system activation and systemic inflammation
- GlycA a composite measure of chronic inflammatory burden
- Myeloperoxidase (MPO) and LP-PLA2 involved in oxidative damage to blood vessel walls
- Soluble CD14 and CD163 linked to vascular instability and immune stress
What Geroscience Means for Prevention
The practical promise of geroscience lies in its potential to personalise heart care by addressing biological age how well your body is actually functioning, rather than simply how many years you have lived. Two people of the same chronological age can have vastly different biological ages depending on their genetics, lifestyle, environment, and accumulated health history.
Geroscience-informed prevention focuses on:
- Earlier detection identifying subtle but meaningful biological changes before traditional risk factors become elevated or symptoms appear
- Nutrition tailored to individual physiology not one-size-fits-all dietary advice, but an understanding of how food interacts with individual metabolic health and inflammatory status
- Exercise as cellular medicine physical activity has well-documented effects on cellular aging processes, mitochondrial function, and vascular health that go well beyond weight management
- Optimised sleep sleep is a critical period for cellular repair and inflammation regulation, and poor sleep is increasingly recognised as an independent cardiovascular risk factor
- Stress management chronic psychological stress drives inflammatory pathways with direct cardiovascular consequences
- Emerging therapeutic targets research into compounds that target biological aging processes directly, though this area is still largely in clinical trial phases
Many of these interventions are not new, diet, exercise, sleep, and stress management have long been recommended for cardiovascular health. What geroscience contributes is a deeper biological understanding of why they work and how to apply them earlier and more precisely, based on individual biological age rather than population averages.
Conclusion
Geroscience represents a bold and forward-looking shift in how we approach health and disease. Rather than reacting to illness after it appears, this field asks how we can understand and modify the biological processes of aging that quietly drive disease from within.
At its core, geroscience reminds us that prevention is not just possible, it is powerful. By identifying and addressing early biological changes, we may be able to delay or prevent the onset of multiple chronic conditions, including heart disease. This has profound implications not only for how we care for individuals, but for how we think about health, aging, and quality of life across the lifespan.
For cardiovascular health in particular, the potential impact is significant. Instead of waiting for a diagnosis of high blood pressure, angina, or heart failure, we can act earlier, detecting hidden inflammation, metabolic changes, or vascular decline before symptoms appear. Acting at this stage may mean fewer medications, fewer hospital stays, and more years lived with strength and independence.
As this field continues to evolve, one thing is clear: our future health will be shaped not just by what we treat, but by how early we choose to act. Geroscience offers us the opportunity to act sooner, with greater precision and a more personal focus, and that is the kind of progress that truly matters.
