Heart and Vascular

How anxiety affects the heart

A woman looking off into the distance next to a plant.


By Charles Herrick, MD


Anxiety is a common human experience, and in moderate amounts, it can be a natural and even adaptive response to stress. However, when anxiety becomes chronic and overwhelming, it can take a toll on the body, particularly on the heart. Anxiety's impact on the cardiovascular system is a growing concern in the medical field as it can contribute to the development of heart problems and exacerbate existing conditions.

Let’s explore how anxiety affects the heart and what individuals can do to protect their cardiovascular health.


Learn more about behavioral health at Nuvance Health.


The connection between anxiety and the heart

Anxiety is not solely a mental health issue. It has physical manifestations that can profoundly affect the heart. When anxiety arises, the body goes into “fight or flight” mode, releasing stress hormones like adrenaline and cortisol. This physiological response is designed to prepare the body to face a threat by increasing your heart rate and redirecting blood flow to vital organs and muscles. While this response can be lifesaving in a true emergency, chronic anxiety can cause it to be constantly triggered, leading to negative consequences for the heart, including:

  • Increased heart rate: One of the most immediate effects of anxiety on the heart is an elevated heart rate. This increased workload can lead to palpitations, arrhythmias and potentially overwork the heart muscle.
  • High blood pressure: Anxiety can also lead to high blood pressure. Persistent hypertension is a significant risk factor for heart disease, as it can damage blood vessels, contribute to atherosclerosis, and increase the likelihood of heart attacks and strokes.
  • Inflammation: Chronic anxiety may also contribute to chronic inflammation, a known factor in the development of cardiovascular diseases. Inflammation can cause plaque buildup in the arteries, leading to atherosclerosis, which can narrow the blood vessels and reduce blood flow to the heart.
  • Cardiac events: Studies have shown that individuals with high levels of anxiety have an increased risk of developing heart disease and experiencing cardiac events like heart attacks. Anxiety can trigger spasms in the coronary arteries, potentially leading to myocardial ischemia, which reduces blood flow to the heart, preventing the heart muscle from receiving enough oxygen.

Learn more about preventive cardiology at Nuvance Health.

Managing anxiety to protect the heart

Recognizing the connection between anxiety and heart health is a crucial step in maintaining overall well-being. Here are some strategies to help manage anxiety and protect your heart:

  • Lifestyle changes: Adopt a heart-healthy lifestyle that includes regular exercise, a balanced diet and adequate sleep. These habits can improve heart health and also help alleviate anxiety symptoms.
  • Stress management techniques: Practice stress-reduction techniques such as mindfulness, meditation, yoga and deep breathing exercises. These methods can help you better control your body’s response to anxiety triggers.
  • Limit caffeine and alcohol: Caffeine and alcohol can exacerbate anxiety symptoms and strain the heart. Reducing or eliminating these substances from your diet may help improve both mental and cardiovascular health.
  • Connect: Engage with friends and family and share your concerns and feelings. Social support is a powerful tool in managing anxiety and reducing the burden on the heart.
  • Medication when necessary: In some cases, medication may be necessary to control anxiety. Consult with a healthcare professional to determine if this is an appropriate option for you.
  • Seek professional help: If you are experiencing chronic anxiety, consult with a mental health professional who can provide guidance and treatment options. Therapy, medication or a combination of both can help manage anxiety effectively.

Learn more about stress management.

Anxiety is a natural response to stress, but when it becomes chronic, it can have a significant impact on heart health. Understanding the connection between anxiety and the cardiovascular system is essential for managing anxiety effectively and protecting your heart. By seeking professional help, adopting a heart-healthy lifestyle and practicing stress-reduction techniques, you can take proactive steps to mitigate the effects of anxiety on the heart and improve your overall well-being. Prioritizing both mental and cardiovascular health can lead to a fulfilling and healthy life.


Dr. Charles Herrick is chair of psychiatry at Nuvance Health.