Key Takeaways

Nearly everyone who has a heart attack or stroke had at least one warning sign years before

More than 99% of patients had one or more risk factors like high blood pressure or cholesterol

About 93% had two or more risk factors

TUESDAY, Sept. 30, 2025 (HealthDay News) — Nearly everyone who suffers a heart attack , stroke or heart failure had at least one warning sign that cropped up years before, a new study says.

More than 99% of patients had one or more risk factors prior to their heart emergency, including high blood pressure, elevated cholesterol, poor blood sugar control or smoking, researchers reported Sept. 29 in the Journal of the American College of Cardiology .

The study refutes the common belief that heart disease often strikes without warning, researcher

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