By Dr Syed Akram Ali
You may be 25, fit, active and feel completely healthy and still be accumulating cardiovascular risk. For many young adults, heart disease still belongs to a much older generation. Heart attacks are associated with parents and grandparents, while the 20s and 30s are seen as years when the heart is almost automatically protected by youth. But age is not a shield against cardiovascular risk. A person can be 25 or 30, appear fit, have no obvious symptoms and still be accumulating risk through elevated blood pressure, unhealthy LDL cholesterol levels, diabetes or prediabetes, excess weight, smoking, physical inactivity, poor sleep, chronic stress or an inherited predisposition. The important distinction is that cardiovascular risk can build silently long before cardiovascular disease becomes clinically apparent.
Atherosclerosis—the gradual development of plaque in the arteries—is a process that can evolve over many years. The longer the arteries are exposed to risk factors such as elevated LDL cholesterol, high blood pressure or tobacco smoke, the greater the potential for cardiovascular damage to accumulate over time. The 2026 ACC/AHA multisociety dyslipidemia guideline has reinforced the importance of addressing unhealthy lipid levels earlier to reduce long-term cardiovascular risk. That makes young adulthood not a period to fear heart disease, but a crucial window in which to prevent it.
The silent numbers young people often ignore
Perhaps the biggest challenge is that some of the most important cardiovascular risk factors do not announce themselves. High blood pressure may cause no symptoms. Elevated LDL cholesterol cannot be felt. Early disturbances in blood sugar or insulin metabolism may also go unnoticed. A young person can therefore feel perfectly well while risk factors are quietly taking shape. Blood pressure deserves particular attention. Recent research highlighted by the American Heart Association suggests that higher blood pressure during young adulthood may be associated with greater cardiovascular and kidney risk later in life. Similarly, cholesterol is not simply a number to worry about after middle age. The concern is cumulative exposure over time. This does not mean that every young person with a mildly abnormal test result has heart disease or needs medication. Rather, abnormal findings should be interpreted in the context of the person's overall risk instead of being automatically dismissed because of age. For a young adult, knowing basic numbers such as blood pressure, cholesterol and, when appropriate, blood glucose can provide an important starting point for prevention.
When family history changes the equation
For some people, the cardiovascular risk story begins before lifestyle enters the picture. A strong family history of premature heart disease can signal an inherited susceptibility. In some individuals, markedly elevated LDL cholesterol may be linked to familial hypercholesterolaemia, allowing cholesterol-related arterial damage to accumulate from a much younger age. Yet many young adults do not know their family's cardiovascular history in sufficient detail. It is not enough to know that “someone had a heart problem”. The age at which a parent or sibling developed heart disease or suffered a heart attack can be clinically important. A history of unusually high cholesterol may also be relevant. Family history does not mean that a young person is destined to develop heart disease. It means that prevention may need to begin earlier and, in some cases, involve a more detailed assessment. For someone with a significant family history, waiting for symptoms before discussing cardiovascular risk may not be the best strategy.
Stress, sleep and the always-connected generation
Then there is the modern lifestyle. For many young professionals, long working hours, deadlines, financial pressure, constant phone connectivity and inadequate sleep have become normalised. Stress itself should not be portrayed as a single direct cause of heart disease. The greater concern is the combination of persistent psychological stress with behaviours that can accompany it—poor sleep, physical inactivity, smoking, unhealthy eating and difficulty maintaining a consistent routine. Over time, these factors can influence blood pressure, body weight and metabolic health. Sleep is often one of the first things sacrificed when work and social commitments increase. Exercise may become something to fit in “when there is time”, while meals increasingly depend on convenience. The solution is not to eliminate every source of stress, which is neither realistic nor necessary. It is to prevent stress from becoming a permanent lifestyle pattern with little recovery, inadequate sleep and no time for physical activity. For a generation that is constantly connected, learning to disconnect may itself become part of heart-health maintenance.
“But I exercise. I’m fit.”
This is another misconception worth challenging. Regular physical activity is one of the most important protective habits for cardiovascular health. But exercise does not make someone immune to every risk factor. A young person can run, cycle, play sport or spend hours in the gym and still have elevated LDL cholesterol, hypertension, diabetes, a strong family history or another underlying risk factor. Likewise, being slim does not automatically mean being metabolically healthy. The heart does not judge fitness by appearance. Cardiovascular health is influenced by a combination of blood pressure, cholesterol, blood sugar, body composition, physical activity, tobacco exposure, sleep, diet, genetics and other factors. That is why the better question is not simply, “Do I look fit?” but “Are my cardiovascular risk factors under control?”
Are heart attacks really becoming a young-person problem?
This is where the conversation needs nuance. Heart attacks remain much more common with advancing age, and it would be misleading—and unnecessarily alarming—to suggest that every person in their 20s or 30s is at imminent risk of a heart attack. The more important point is that the process that eventually contributes to cardiovascular disease can begin much earlier than the event itself. In other words, a heart attack may occur decades later, but some of the risk contributing to that event may have been accumulating since young adulthood. That is why prevention should not begin only after the first abnormal ECG, the first episode of chest pain or the first diagnosis of diabetes. Cardiovascular prevention is about reducing cumulative risk before disease becomes clinically obvious. The younger patient with hypertension, high cholesterol, diabetes, tobacco exposure, obesity or a strong family history may not feel like a cardiac patient at all. But those factors still deserve attention.
Don't dismiss every symptom as “stress” or “acidity”
There is another message young adults should hear without becoming unnecessarily fearful: persistent or unusual symptoms should not automatically be attributed to stress, acidity or lack of sleep simply because someone is young. New or unexplained chest discomfort—particularly when associated with exertion—breathlessness, unusual fatigue, sweating, dizziness, fainting, palpitations or discomfort spreading to the arm, jaw or back deserves appropriate medical assessment. This does not mean every episode of chest discomfort is cardiac. In younger adults, many symptoms have non-cardiac causes. The important principle is not to self-diagnose solely on the basis of age. Someone who is young and otherwise healthy may understandably assume that a worrying symptom cannot be heart-related. But age alone should not be used to dismiss symptoms that are new, persistent, severe or associated with exertion.
What should someone in their 20s or 30s actually do?
The answer does not necessarily involve expensive cardiac packages or a long list of scans. For a generally healthy young adult, prevention begins with knowing the basics: blood pressure, cholesterol and, when clinically appropriate, blood glucose or HbA1c. Weight and waist circumference can provide additional context, particularly when metabolic risk factors are present. For adults, the American Heart Association recommends at least 150 minutes of moderate-intensity, or 75 minutes of vigorous-intensity, physical activity per week, alongside other heart-healthy behaviours. Lifestyle remains central: regular physical activity, a balanced diet, adequate sleep, avoiding tobacco, maintaining a healthy weight and finding sustainable ways to manage stress. For people with a strong family history of premature cardiovascular disease or other risk-enhancing factors, checking lipoprotein(a) [Lp(a)] at least once may also be appropriate. But screening should be risk-based rather than test-based. Not every young adult needs routine cardiac testing such as an ECG, echocardiogram, treadmill test or coronary calcium scan simply because of their age. Further evaluation should be guided by symptoms, medical history, family history and identified risk factors. For those with significant family history, markedly abnormal cholesterol, hypertension, diabetes, obesity, smoking exposure or concerning symptoms, a more individualised cardiovascular assessment may be appropriate. The goal is not to turn healthy young adults into patients. It is to identify genuine risk early enough to do something about it.
The heart is keeping score
Perhaps the most useful way to think about heart health is not to ask, “Am I old enough to have heart disease?” Ask instead: “What cardiovascular risk am I accumulating, and what can I change now?” Young adulthood offers something extremely valuable—time. Time to identify high blood pressure before years of exposure. Time to address unhealthy cholesterol before it accumulates further. Time to stop smoking, become more active, improve sleep, manage weight and establish healthier routines before preventable risk factors become entrenched. The message for Gen Z should therefore not be one of fear. It is one of awareness without anxiety. You do not need to live like a patient to protect your heart. You simply need to stop assuming that youth makes the heart invincible. Because the heart does not know whether you are 25, 35 or 55. It only knows the conditions in which it has been asked to work—day after day, year after year. And that makes your 20s and 30s not too early to think about your heart, but perhaps the best time to start protecting it.
(Dr Syed Akram Ali, MBBS, DCH, DNB (Paediatrics), DNB (Cardiology), FSCAI (USA), is an Interventional Cardiologist and ESC Certified Heart Failure Specialist. He serves as Director, Intensive Coronary Care, at Renova Century Hospitals, Banjara Hills, Hyderabad. His areas of expertise include complex coronary interventions, primary PCI, chronic total occlusion (CTO) interventions, intravascular imaging, atherectomy, intravascular lithotripsy, structural heart interventions and comprehensive heart failure management. He is committed to evidence-based, patient-centred cardiac care and to raising public awareness about cardiovascular risk, heart failure and preventive cardiology.)
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