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Abdominal fat, not overall weight, raises heart failure risk, especially in men, according to a large MRI study.
A large study using cardiac MRI finds abdominal obesity, or a "beer belly," poses greater heart risks than overall body weight, especially in men.
Among 2,244 adults without heart disease, a high waist-to-hip ratio—indicating visceral fat—was strongly linked to concentric hypertrophy: thickened heart muscle and smaller chambers, particularly in the right ventricle, impairing pumping efficiency and raising heart failure risk.
These changes were more pronounced in men, possibly due to hormonal differences or earlier fat accumulation.
The association held even after accounting for blood pressure, diabetes, smoking, and cholesterol.
Researchers urge focusing on reducing abdominal fat through lifestyle changes and using simple tools like tape measures to monitor waist-to-hip ratios—above 0.90 for men and 0.85 for women signals higher risk.
They call for earlier detection and sex-specific prevention strategies.
La grasa abdominal, y no el peso total, aumenta el riesgo de insuficiencia cardíaca, especialmente en los hombres, según un gran estudio de resonancia magnética.