A significant new study has unveiled a powerful connection between common health factors and the occurrence of major cardiovascular events like heart attacks and strokes. Published in the Journal of the American College of Cardiology, the research indicates that a staggering 99% of individuals who experience these life-threatening conditions present with at least one of four key risk factors prior to the event.
These predominantly observed risk factors include elevated blood pressure, high cholesterol levels, increased blood sugar, and a history of tobacco use. Crucially, the study emphasizes that all four of these factors are 'modifiable' – meaning they can be prevented or effectively managed through medical intervention and lifestyle adjustments. Among them, high blood pressure was identified as the most prevalent issue.
The comprehensive study tracked over 600,000 cases in South Korea and an additional 1,000 adults in the United States for up to two decades. Participants were closely monitored for their blood pressure, cholesterol, glucose levels, and exposure to smoke. The data revealed that high blood pressure affected more than 95% of South Korean participants and over 93% of those in the U.S. segment.
Dr. Philip Greenland, a senior author of the study and professor of preventative medicine at Northwestern University Feinberg School of Medicine, highlighted the silent danger of hypertension. "This is important because high blood pressure is fairly easily detectable but it is asymptomatic, so often overlooked," Dr. Greenland told Medical News Today, underscoring the critical need for early recognition and treatment.
Guidelines from the American Heart Association advise medical attention for blood pressure readings exceeding 120/80 mmHg, or fasting glucose levels at or above 100 milligrams per deciliter. Dr. Greenland also pointed to total cholesterol levels of 200 mg/DL or higher as another primary concern, while acknowledging that non-modifiable risk factors, such as genetics, also play a role.
Beyond regular medical check-ups and lab work, which doctors typically recommend based on age and health history, maintaining a healthy body weight, adopting a balanced diet, ensuring adequate sleep, and engaging in regular physical activity are vital strategies for managing these risks.
Reiterating the core message, Dr. Greenland concluded, "As we have known for many years, there are a small number of modifiable risk factors for heart disease, and at least one, but often more than one, are present in the background leading up to heart attacks, heart failure or strokes." He strongly urged patients to ensure these four critical factors are assessed during every medical visit, advocating for proactive treatment even for slight elevations to avert serious cardiovascular events.
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Originally published at: https://www.upi.com/Health_News/2025/09/29/study-heart-attack-stroke-risks/3161759197171/
