New Atlas describes in a recent article that research out of Canada suggests that piling your plate with potassium-rich foods—like bananas, broccoli, and sweet potatoes—could be even more effective than slashing sodium.
Globally, about 30 per cent of the population suffers from hypertension—the leading cause of heart disease and premature death. Organizations like the American Heart Association have historically championed reduced sodium intake to lower blood pressure. But findings from Waterloo researchers challenge this conventional wisdom.
“Usually, when we have high blood pressure, we are advised to eat less salt,” said Dr. Anita Layton, the study’s lead researcher. “Our research suggests that adding more potassium-rich foods to your diet, such as bananas or broccoli, might have a greater positive impact on your blood pressure than just cutting sodium.”
Sodium and potassium are key electrolytes that help regulate blood pressure. While excess sodium causes the body to retain fluid—raising blood volume and pressure—potassium helps blood vessels relax and assists the kidneys in flushing out sodium, easing the heart’s workload.
“Early humans ate lots of fruits and vegetables, and as a result, our body’s regulatory systems may have evolved to work best with a high-potassium, low-sodium diet,” said lead author Melissa Stadt.
Using a mathematical model, the researchers simulated various sodium and potassium intake scenarios. They found that men are more prone to hypertension than pre-menopausal women but also more responsive to potassium increases.
“Indeed, the dietary Na+-to-K+ ratio was found to be a stronger predictor for blood pressure, risk of cardiovascular disease, and all-cause mortality, than dietary Na+ or K+ alone,” the researchers concluded.
The takeaway? Consider adding more potassium to your plate—your heart may thank you.
By Naila Huseynova
Source: caliber.az
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