In 2024, India reported the highest number of heart attacks in people under 40 of any country in the world. We are seeing 35-year-olds arrive in emergency with STEMI a complete blockage of a major coronary artery. This is not bad luck. It is a collision of lifestyle, genetics, and risk factors that are going undetected and untreated in a generation that considers itself too young to worry about the heart.
Why India Is Particularly Vulnerable
South Asians have a genetically higher propensity for coronary artery disease on average, heart attacks occur 5–10 years earlier in South Asians than in White European or African populations. This genetic predisposition is dramatically worsened by the modern Indian urban lifestyle: high-stress work cultures, sedentary desk jobs, ultra-processed diets, sleep deprivation, and tobacco use that begins in the late teens.
The cluster of insulin resistance, abdominal obesity, high blood pressure, low HDL, and elevated triglycerides known as the metabolic syndrome is now present in nearly 25% of urban Indian adults, many of them in their 30s. Metabolic syndrome multiplies heart attack risk five-fold.
The Risk Factors No One Is Checking
Lipoprotein(a) Lp(a)
Lp(a) is a genetically determined cholesterol particle that dramatically increases the risk of premature heart disease and is found in elevated levels in approximately 25% of South Asians. It is not measured in a standard lipid profile. It never responds to statins. If you have a family history of early heart disease, you should specifically request an Lp(a) test.
Chronic Stress and Cortisol
Chronic psychological stress activates the sympathetic nervous system continuously, raising blood pressure, promoting clot formation, triggering inflammation, and directly destabilising arterial plaques. The connection between occupational stress and acute coronary events is well-documented and the demographic most affected is young, high-achieving urban professionals.
Hidden Hypertension
Blood pressure in India is under-diagnosed and under-treated. It is estimated that only 12% of hypertensive Indians have their blood pressure under adequate control. High BP at 30 means decades of arterial wall stress before a heart attack strikes at 42 and appears to "come out of nowhere".
Cocaine and Performance-Enhancing Drugs
Cocaine use is a major cause of heart attacks in young adults globally and an increasing issue in Indian urban centres. Even a single use can cause coronary spasm and acute MI. Anabolic steroids used recreationally for bodybuilding are an independent cardiovascular risk factor and are causing cardiomyopathy and sudden cardiac death in young Indian men in their 20s and 30s.
The Post-COVID Factor
COVID-19 caused direct myocardial injury, endothelial damage, and pro-thrombotic states in a significant percentage of patients including those with mild infections. Post-COVID cardiac complications, including myocarditis and accelerated atherosclerosis, are contributing to the observed rise in cardiac events among young adults in the 2–3 years following the pandemic. Anyone under 45 with post-COVID fatigue, palpitations, or exertional chest pain should have a cardiac evaluation.
What Every Person Under 45 Should Do
Know your numbers: blood pressure, fasting glucose, lipid panel (including LDL, HDL, triglycerides, and ideally Lp(a)), and waist circumference. These five metrics capture the vast majority of cardiovascular risk. If you have a family history of early heart disease, a coronary calcium score CT scan can detect sub-clinical atherosclerosis before symptoms develop and is available at MNR Hospital.
Quit smoking. Manage stress actively. Prioritise sleep. Walk or exercise aerobically for 150 minutes per week. See a cardiologist for a risk assessment before the first symptom because for 1 in 4 people, the first symptom of heart disease is a heart attack.
Dr. Rajesh Shetty
Dr. Rajesh Shetty is a Cardiac Electrophysiologist at MNR Hospital with 18 years of experience. Trained at CMC Vellore, he specialises in catheter ablation for arrhythmias, pacemaker implantation, and the investigation of sudden cardiac death in young patients.
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