• Published on: May 19, 2025
  • 3 minute read
  • By: Secondmedic Expert

Why Silent Heart Attacks Are Rising Among Indians Under 40

  • WhatsApp share link icon
  • copy & share link icon
  • twitter share link icon
  • facebook share link icon

Introduction

Heart attacks have long been considered a condition affecting older adults. But over the past few years, a worrying trend has emerged in India—silent heart attacks among people under the age of 40 are on the rise. These are heart attacks that occur with little or no obvious symptoms, making them especially dangerous.

So why is this happening? What are the reasons behind this silent epidemic? In this blog, we’ll explore the growing concern of silent heart attacks in young Indians, their causes, signs to watch for, and how you can protect yourself and your loved ones.

What is a Silent Heart Attack?

A silent heart attack, medically known as a silent myocardial infarction, happens when the blood flow to a part of the heart is blocked, but the usual symptoms like chest pain or discomfort are missing. Many people mistake it for indigestion, fatigue, or anxiety, and don’t realize they’ve had a heart attack until much later.

By the time it's diagnosed, some damage has already been done to the heart. That’s what makes it more dangerous—you may not even know it happened until it’s too late.

Alarming Trend: Younger Indians at Risk

India is seeing more cases of heart attacks among people in their 20s and 30s. In the past, these were considered rare. But now, it’s becoming increasingly common, especially in urban areas.

Here are some facts that highlight this trend:

  • Nearly 1 in 5 heart attack patients in Indian hospitals are under 40.

  • Many are fit-looking, working professionals with no known heart problems.

  • In several cases, the first sign of heart disease is the heart attack itself—and sometimes, it’s silent.
     

So, what’s causing this shift?

Top 7 Reasons Why Silent Heart Attacks Are Rising Among Indians Under 40

1. Unhealthy Lifestyle

Fast-paced lives, late-night work schedules, poor diet, and lack of sleep have become the norm. Add junk food, sugar-loaded drinks, and smoking to the mix, and you’ve got a recipe for disaster.

2. High Stress Levels

Chronic stress increases blood pressure and leads to inflammation in the arteries. Young professionals facing pressure in jobs, studies, or family life are often silently harming their heart health.

3. Sedentary Habits

Many people, especially in IT and corporate jobs, spend long hours sitting without movement. Lack of exercise is directly linked to a higher risk of heart disease.

4. Diabetes & Hypertension at a Young Age

More Indians are developing type 2 diabetes and high blood pressure in their 20s and 30s, often without knowing it. These are major risk factors for heart attacks.

5. Smoking and Alcohol

Smoking, especially among men under 40, is still common in India. It narrows blood vessels and damages the heart. Regular alcohol use also increases risk when combined with poor lifestyle choices.

6. Family History of Heart Disease

If heart problems run in your family, your risk is automatically higher—even if you feel healthy. Many young people ignore this factor.

7. Lack of Regular Health Check-ups

Young adults often believe they are “too young” to get sick and avoid check-ups. Silent heart issues can go undetected for years without tests like ECG, cholesterol, or blood pressure checks.

Signs You May Be Having a Silent Heart Attack

Since silent heart attacks don’t cause obvious chest pain, you have to be more alert. Here are some subtle signs to watch for:

  • Mild discomfort in the chest, back, or jaw

  • Unexplained fatigue or tiredness

  • Dizziness or lightheadedness

  • Shortness of breath, even with small activity

  • Cold sweats

  • Nausea or feeling like you have indigestion
     

These symptoms may come and go, so many people ignore them. But if you feel “not quite right”, especially if you have risk factors, don’t ignore it—get checked immediately.

How to Protect Yourself

Preventing silent heart attacks starts with knowing your risks and taking proactive steps to stay healthy:

1. Get Regular Health Check-Ups

Annual heart screenings, cholesterol checks, and blood pressure monitoring can catch problems early—even if you feel fine.

2. Eat a Heart-Healthy Diet

Focus on fresh fruits, vegetables, whole grains, lean proteins, and healthy fats. Avoid processed foods, excess salt, and sugary drinks.

3. Exercise 30 Minutes Daily

A brisk walk, yoga, swimming, or cycling can strengthen your heart and improve blood flow.

4. Quit Smoking

It’s one of the biggest risk factors for early heart disease. If you smoke, get help to quit today.

5. Manage Stress

Take time out daily to relax. Deep breathing, meditation, hobbies, or talking to someone can help reduce stress.

6. Limit Alcohol

Cut back on drinking, especially binge-drinking on weekends, which is common among young adults.

7. Know Your Family History

If heart disease runs in your family, be extra careful and talk to your doctor about your risks.

When to See a Doctor

If you feel even mild symptoms or just feel unusually tired or breathless without reason, it’s better to get a check-up. Don’t wait—heart issues in young people can be caught early with the right medical help.

You can book a cardiology consultation online and get lab tests done from the comfort of your home. Early detection can save your life.

Conclusion

The rising cases of silent heart attacks among Indians under 40 are a wake-up call. With fast lives, unhealthy habits, and silent symptoms, many young people are unknowingly at risk. But the good news is, heart disease is often preventable with simple lifestyle changes and timely check-ups.

If you’re under 40, don’t ignore your heart health. Take action today to protect yourself and your future.

Worried about your heart health? Book a cardiology check-up now and understand why silent heart attacks are rising among Indians under 40.

Read FAQs


A. A silent heart attack occurs without obvious symptoms like chest pain. It may feel like fatigue or indigestion, making it harder to detect.

A. Unhealthy lifestyles, high stress, lack of exercise, smoking, and undiagnosed conditions like diabetes or high cholesterol are key contributors.

A. Tests like Lipid Profile, HbA1c, hs-CRP, and Aarogyam B Pro by Thyrocare offer insights into heart health and risk factors.

A. Yes, you can book Thyrocare lab tests online through SecondMedic.com, with home sample collection available in many cities.

A. Mild fatigue, shortness of breath, dizziness, or back/jaw discomfort can be early signs. Always consult a doctor if you feel something isn’t right.

Read Blog
Tuberculosis

Tuberculosis Symptoms and Treatment: Early Signs, Diagnosis, and Recovery

Tuberculosis (TB) is one of the oldest known infectious diseases and continues to be a major public health concern, especially in developing countries. India accounts for a significant proportion of global TB cases, despite advances in diagnosis and treatment. The good news is that tuberculosis is preventable, treatable and curable when detected early and managed properly.

Understanding tuberculosis symptoms and treatment is critical for reducing disease spread, preventing complications and achieving complete recovery.

 

What Is Tuberculosis?

Tuberculosis is an infectious disease caused by Mycobacterium tuberculosis. It primarily affects the lungs (pulmonary TB) but can also involve other parts of the body such as:

  • lymph nodes
     

  • bones and joints
     

  • kidneys
     

  • brain
     

TB spreads through the air when an infected person coughs, sneezes or speaks.

 

Why Tuberculosis Remains a Major Health Issue

According to the World Health Organization and ICMR data:

  • millions of new TB cases are reported annually
     

  • delayed diagnosis increases transmission
     

  • incomplete treatment leads to drug resistance
     

Early detection and treatment are key to TB control.

 

Common Tuberculosis Symptoms

TB symptoms often develop gradually and may be mild in the early stages, leading to delayed diagnosis.

Persistent Cough

A cough lasting more than two to three weeks is a hallmark symptom of pulmonary TB.

The cough may:

  • be dry or productive
     

  • worsen over time
     

  • sometimes produce blood
     

 

Fever and Night Sweats

Low-grade fever, especially in the evenings, is common.

Night sweats that soak clothing or bedding are a classic TB sign.

 

Unexplained Weight Loss

TB increases metabolic demand and reduces appetite, leading to significant weight loss.

 

Fatigue and Weakness

Persistent tiredness and reduced stamina occur due to chronic infection.

 

Chest Pain

Chest discomfort or pain may occur during coughing or breathing.

 

Symptoms of Extra-Pulmonary TB

When TB affects organs outside the lungs, symptoms depend on the site involved and may include:

  • swollen lymph nodes
     

  • bone or joint pain
     

  • headaches or neurological symptoms
     

  • urinary issues
     

 

Why TB Symptoms Are Often Ignored

Many TB symptoms resemble common infections or general weakness.

This leads to:

  • delayed medical consultation
     

  • prolonged transmission
     

  • disease progression
     

Awareness improves early detection.

 

How Tuberculosis Is Diagnosed

Diagnosis involves a combination of:

  • sputum tests
     

  • chest X-ray
     

  • molecular tests such as CBNAAT
     

  • blood tests and imaging for extra-pulmonary TB
     

Early and accurate diagnosis is essential for effective treatment.

 

Tuberculosis Treatment Explained

TB treatment involves a combination of antibiotics taken over a fixed duration.

Standard TB Treatment

For drug-sensitive TB, treatment typically lasts:

  • 6 months
     

The regimen includes multiple antibiotics taken in phases to ensure complete bacterial clearance.

 

Importance of Treatment Adherence

TB bacteria are slow-growing and resilient.

Stopping treatment early can result in:

  • incomplete cure
     

  • relapse
     

  • drug-resistant TB
     

Completing the full course is essential.

 

Drug-Resistant TB

If TB bacteria become resistant to standard drugs, treatment becomes longer and more complex.

Drug-resistant TB requires:

  • specialised medications
     

  • longer treatment duration
     

  • close medical supervision
     

Prevention of resistance depends on correct treatment from the start.

 

Side Effects of TB Treatment

Some individuals may experience side effects such as:

  • nausea
     

  • loss of appetite
     

  • mild liver enzyme changes
     

Most side effects are manageable with medical guidance and do not require stopping treatment.

 

TB and Public Health

TB is not just an individual health issue but a community concern.

Effective TB control requires:

  • early diagnosis
     

  • treatment adherence
     

  • contact tracing
     

  • public awareness
     

India’s national TB elimination programmes focus on these strategies.

 

Preventing Tuberculosis

Preventive measures include:

  • early detection and treatment of active TB
     

  • improving nutrition and immunity
     

  • adequate ventilation in living spaces
     

  • screening close contacts
     

BCG vaccination offers partial protection, especially in children.

 

Living With and Recovering From TB

With proper treatment:

  • symptoms gradually improve
     

  • infection becomes non-contagious
     

  • normal life can be resumed
     

Regular follow-up ensures complete recovery.

 

When to Seek Medical Help

Consult a healthcare provider if experiencing:

  • cough lasting more than two weeks
     

  • unexplained weight loss
     

  • persistent fever or night sweats
     

  • blood in sputum
     

Early action saves lives and prevents spread.

 

Long-Term Outlook After TB Treatment

Most individuals who complete treatment:

  • recover fully
     

  • regain normal lung function
     

  • return to daily activities
     

Long-term complications are rare with timely care.

 

Conclusion

Tuberculosis symptoms and treatment must be understood clearly to combat this preventable and curable disease. Persistent cough, fever, night sweats and weight loss should never be ignored. Early diagnosis, complete treatment adherence and regular follow-up are essential for curing TB and preventing transmission. With proper medical care and public awareness, tuberculosis can be effectively controlled and eliminated as a public health threat.


 

References

  • Indian Council of Medical Research (ICMR) – Tuberculosis Epidemiology and Treatment Guidelines
  • World Health Organization (WHO) – Global Tuberculosis Report
  • National Tuberculosis Elimination Programme (NTEP) – Government of India
  • Lancet Infectious Diseases – TB Diagnosis and Treatment Outcomes
  • National Family Health Survey (NFHS-5) – Infectious Disease Indicators
  • Statista – Global Tuberculosis Burden and Trends

See all

Live Doctor consultation
Live Doctor Chat

Download Our App & Get Consultation from anywhere.

App Download
call icon for mobile number calling and whatsapp at secondmedic