heart disease

noun

: an abnormal condition of the heart or of the heart and circulation (such as coronary heart disease, arrhythmia, or heart-valve defect)

Examples of heart disease in a Sentence

Recent Examples on the Web
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According to the Mayo Clinic, for some women experiencing perimenopausal symptoms, hormone replacement therapy (HRT) can help alleviate hot flashes and night sweats, protect against bone loss and reduce the risk of heart disease when used appropriately. Olivia Lee, Charlotte Observer, 10 Nov. 2025 Healthy fats offer several health benefits, including helping your body absorb nutrients, protecting your organs, and reducing the risk of heart disease by controlling cholesterol and blood pressure. Kelly Burch, Verywell Health, 10 Nov. 2025 The move reverses a decision that came down in the early 2000s, after research at the time found that the therapies increased the risk of breast cancer, heart disease and stroke in some women. Tanya Lewis, Scientific American, 10 Nov. 2025 In fact, points out Scammell, insomnia and heart disease often travel together, with 50% of people with heart failure having insomnia compared to 15% in the general population. Veronique Greenwood, Time, 10 Nov. 2025 See All Example Sentences for heart disease

Word History

First Known Use

1830, in the meaning defined above

Time Traveler
The first known use of heart disease was in 1830

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Cite this Entry

“Heart disease.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heart%20disease. Accessed 11 Nov. 2025.

Kids Definition

heart disease

noun
: an abnormal condition of the heart or of the heart and blood circulation

Medical Definition

heart disease

noun
: an abnormal condition of the heart or of the heart and circulation (as coronary heart disease, arrhythmia, or heart-valve defect)

More from Merriam-Webster on heart disease

Last Updated: - Updated example sentences
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