Stress contributes to Heart Attack Stress contributes to Heart Attack
Preventive Care
Heart Health

How Heart Attacks are Caused by Stress

24 September 2025 · 5 mins read

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Find out how stress affects heart health and raises heart attack risks. Book a heart check-up at Pantai Hospitals today for professional advice and prevention.

Heart diseases are still one of the main causes of death globally, taking away millions of lives every year. Stress, in comparison to classic risk factors such as high cholesterol, hypertension, and obesity that are commonly known, is often a forgettable factor that plays a big role in contributing to heart disease. 

This article examines the complex relationship between stress and heart health, dissecting the symptoms, physiological impacts, and protective measures. You can protect your heart health and lead a healthier life by identifying the warning signs early and managing your stress effectively.

What is the Link Between Stress and Cardiovascular Health?

1. How Chronic Stress Affects Blood Pressure

  • Stress causes the body to release hormones like cortisol and adrenaline, which trigger the "fight or flight" response. 
    • Chronic stress is twice as likely to cause hypertension, according to American Heart Association studies.
    • Uncontrolled blood pressure leads to the stiffness and narrowing of arteries, decreasing blood flow to the heart and other organs.
    • The heart is required to work harder as time passes, eventually resulting in conditions such as heart failure or coronary artery disease (CAD). 

2. Stress and Inflammatory Response

  • Individuals going through stress-related inflammation are 30% more likely to develop cardiovascular disease, according to research. 
    • A ruptured plaque can block an artery, causing a heart attack or stroke. 
    • Therefore, managing stress early is crucial as it helps decrease inflammation and prevent coronary complications.

What are the Behavioural Risk Factors from Stress?

  • Emotional eating
    • Your cravings for sugary and fatty foods can increase because of chronic stress, which contributes to obesity—a big risk factor for heart disease.
  • Substance abuse
    • Smoking or alcohol are taken by many to alleviate stress, however both of them increase the risk of heart disease by damaging blood vessels and increasing blood pressure.
  • Inactivity
    • Individuals can feel overwhelmed or exhausted due to stress, which causes physical inactivity that deteriorates heart health more.

Which Physical and Emotional Signs of Stress Affect the Heart?

Short-term Physical Symptoms

The body during stressful moments reacts by elevating heart rate and restricting blood flow. These symptoms may involve chest tightness, palpitations, or shortness of breath.

Long-term Emotional Effects

Mental health issues such as depression, anxiety, and insomnia can be caused by chronic stress, all of which can lead to heart disease.

Stress as a Silent Killer

In many cases, heart problems caused by stress may appear quietly without any obvious warning signs. Abrupt cardiac events, like heart attacks, can happen even in people with no heart disease-related history at all.


How to Manage Stress and Prevent Heart Problems for a Healthy Heart?

Adopting a Healthy Lifestyle

Frequent exercise, a healthy diet, and sufficient sleep can improve both mental and physical health while lowering the risk of heart attacks.

Mindfulness and Therapy

Yoga, meditation, and cognitive-behavioural therapy (CBT) are some practices that may aid people in coping with stress in healthier methods.


FAQs

1. How much is considered too much stress?

Chronic feelings of overload, anxiety, or fatigue suggest that stress levels may be detrimental, yet there is no universal threshold for stress. 

2. How is heart health affected by your diet?

A diet rich in saturated fats, trans fats, and cholesterol can cause plaque accumulation in arteries, raising the risk of heart disease and heart attacks.

3. Can genetics contribute to you developing heart disease?

Yes, your risk can be increased if you have a family history of heart disease, but lifestyle factors also play a big part in your heart health.

4. How does sleep contribute to maintaining heart health?

Poor sleep can lead to increased stress hormones, higher blood pressure, and increased risk of heart disease. You should aim to get 7-8 hours of quality sleep.

5. What defines a heart-healthy diet?

Fruits, vegetables, whole grains, lean proteins, and minimal saturated fats, trans fats, and sugars contribute to a heart-healthy diet.

Schedule an Appointment at Pantai Hospitals

Your heart check-up results offer critical insights into your cardiovascular health, guiding you to make informed decisions related to your well-being. Minor changes, such as taking up a heart-friendly diet, exercising frequently, and managing stress, can greatly reduce your risk of heart disease as time passes.

If you have inquiries about stress-related heart risks or require professional help, book an appointment at the nearest Pantai Hospital to you. Our healthcare specialists are ready to provide expert advice and help you kickstart your health journey. To schedule a health screening, please contact the health screening centre at your local Pantai Hospital.

Pantai Hospitals have been accredited by the Malaysian Society for Quality in Health (MSQH) for its commitment to patient safety and service quality.

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