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What weakens the heart muscle?

Author

Emily Sparks

Published Jan 09, 2026

Most often, a weakened heart muscle is caused by coronary artery disease or heart attack, but faulty heart valves, long-standing high blood pressure, and genetic disease may also be to blame. And sometimes, more than one condition may play a role in your weakening heart.

What can damage the heart muscle?

Heart muscle damage can have many causes, including certain diseases, infection, heavy alcohol use, and the toxic effect of drugs, such as cocaine or some drugs used for chemotherapy. Genetic factors also can play a role. Inflammation of the heart muscle (myocarditis).

What things weaken your heart?

According to hard data, five harmful habits herald the coming of heart disease. These five are smoking, being inactive, carrying too many pounds, eating poorly, and drinking too much alcohol.

What happens if your heart muscles are weak?

If your heart muscle becomes too weak, you may develop heart failure (a serious condition that needs special treatment). Most people are only mildly affected by cardiomyopathy and can lead relatively normal lives. However, people who have severe heart failure may need a heart transplant.

What are the symptoms of weak heart?

Signs and symptoms can include: Chest pain, chest tightness, chest pressure and chest discomfort (angina) Shortness of breath. Pain, numbness, weakness or coldness in your legs or arms if the blood vessels in those parts of your body are narrowed.

21 related questions found

Can a weak heart recover?

It can occur at any age, but is most common in older people. Heart failure is a long-term condition that tends to get gradually worse over time. It cannot usually be cured, but the symptoms can often be controlled for many years.

How can I make my heart strong?

7 powerful ways you can strengthen your heart

  1. Get moving. Your heart is a muscle and, as with any muscle, exercise is what strengthens it. ...
  2. Quit smoking. Quitting smoking is tough. ...
  3. Lose weight. Losing weight is more than just diet and exercise. ...
  4. Eat heart-healthy foods. ...
  5. Don't forget the chocolate. ...
  6. Don't overeat. ...
  7. Don't stress.

Can a weak heart be strengthened?

Being physically active is a major step toward good heart health. It's one of your most effective tools for strengthening the heart muscle, keeping your weight under control and warding off the artery damage from high cholesterol, high blood sugar and high blood pressure that can lead to heart attack or stroke.

How do you treat a weak heart muscle?

Treating the underlying cause of your weakening heart is the best way to mitigate symptoms and improve your activity level. Treatment options include: Engaging in regular low-intensity aerobic exercise to strengthen the heart. Eating a heart-healthy diet.

How do I know if my heart is OK?

The ability to quickly rebound to your normal heart rate after intensive exercise is another sign you have a healthy heart. You can test yourself by taking your heart rate immediately after exercising and again after resting for one minute. Ideally, your rate should have dropped by 20 beats or more.

What food make heart stronger?

15 Incredibly Heart-Healthy Foods

  • Leafy green vegetables. Leafy green vegetables like spinach, kale, and collard greens are well known for their wealth of vitamins, minerals, and antioxidants. ...
  • Whole grains. ...
  • Berries. ...
  • Avocados. ...
  • Fatty fish and fish oil. ...
  • Walnuts. ...
  • Beans. ...
  • Dark chocolate.

Which drink is best for heart?

Drink: Water

Plain old water might be the best thing to drink for overall health, and that includes your heart.

Is Egg good for heart?

Most healthy people can eat up to seven eggs a week without increasing their risk of heart disease. Some studies have shown that this level of egg consumption might even help prevent certain types of stroke and a serious eye condition called macular degeneration that can lead to blindness.

What causes hardening of heart muscle?

Hypertrophic cardiomyopathy is most often caused by abnormal genes in the heart muscle. These genes cause the walls of the heart chamber (left ventricle) to contract harder and become thicker than normal. The thickened walls become stiff.

How long can you live with a weak heart muscle?

Life expectancy with congestive heart failure varies depending on the severity of the condition, genetics, age, and other factors. According to the Centers for Disease Control and Prevention (CDC), around one-half of all people diagnosed with congestive heart failure will survive beyond five years.

Can stress cause a weak heart?

Broken heart syndrome, also known as stress cardiomyopathy or takotsubo syndrome, occurs when a person experiences sudden acute stress that can rapidly weaken the heart muscle.

Does walking make heart stronger?

With every step, walking offers benefits and is some of the best exercise for heart health. It can improve your cholesterol levels, blood pressure and energy levels, plus it can fight weight gain to improve heart health overall, explains the American Heart Association.

Can heart regenerate?

The heart is unable to regenerate heart muscle after a heart attack and lost cardiac muscle is replaced by scar tissue. Scar tissue does not contribute to cardiac contractile force and the remaining viable cardiac muscle is thus subject to a greater hemodynamic burden.

Is chocolate good for your heart?

“Chocolate contains heart healthy nutrients such as flavonoids, methylxanthines, polyphenols and stearic acid which may reduce inflammation and increase good cholesterol (high-density lipoprotein or HDL cholesterol).”

Are bananas good for your heart?

Heart health

Bananas contain fiber, potassium, folate, and antioxidants, such as vitamin C. All of these support heart health. A 2017 review found that people who follow a high fiber diet have a lower risk of cardiovascular disease than those on a low fiber diet.

Is milk good for heart?

Overall milk, yoghurt and cheese have a 'neutral' effect on your heart health, meaning these foods don't increase or decrease the risk of heart disease. The complexity stems from the fact that dairy foods contain saturated and ruminant trans fats, which can increase LDL cholesterol.

Are potatoes good for you?

Potatoes are a good source of fiber, which can help you lose weight by keeping you full longer. Fiber can help prevent heart disease by keeping cholesterol and blood sugar levels in check. Potatoes are also full of antioxidants that work to prevent diseases and vitamins that help your body function properly.

Which fruit is best for heart?

Berries are chock full of heart-healthy phytonutrients and soluble fiber. Try blueberries, strawberries, blackberries or raspberries in cereal or yogurt. Seeds. Flaxseeds contain omega-3 fatty acids, fiber and phytoestogens to boost heart health.

Is coffee good for the heart?

Drinking coffee—particularly two to three cups a day—is not only associated with a lower risk of heart disease and dangerous heart rhythms but also with living longer, according to studies being presented at the American College of Cardiology's 71st Annual Scientific Session.

What is a heart cough?

While most people associate coughing as a common symptom that accompanies lung or respiratory issues, its connection to heart failure often goes unnoticed. This is called a cardiac cough, and it often happens to those with congestive heart failure (CHF).