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Eating bananas and other potassium-rich foods may improve heart health in women

It’s no secret that certain foods are better for our hearts than others, but a new study just revealed that eating things with a lot of potassium—think fish, avocados, and bananas—are especially beneficial for women. According to research recently published in European Heart Journal, potassium-rich diets were associated with lower blood pressure, particularly in women with high salt intake.

Potassium-rich food might improve heart health in women

“It is well known that high salt consumption is associated with elevated blood pressure and a raised risk of heart attacks and strokes,” study author Professor Liffert Vogt of Amsterdam University Medical Centers in the Netherlands said in a press release. “Health advice has focused on limiting salt intake, but this is difficult to achieve when our diets include processed foods. Potassium helps the body excrete more sodium in the urine. In our study, dietary potassium was linked with the greatest health gains in women.”

To obtain their findings, researchers asked 24,963 participants—11,267 men and 13,696 women—between the ages of 40 and 79 to complete a questionnaire on their lifestyle habits. Additionally, each subjects’ blood pressure was measured and a urine sample was collected to calculate sodium and potassium intake. The participants were then divided into groups according to their sodium and potassium consumption on a scale of low, medium, and high.

heart health in women
Image Courtesy: Mockup Graphics/Unsplash

The researchers then analysed the connection between potassium intake and blood pressure, adjusting for age, sex, and sodium intake. In women, they found that as potassium consumption went up, blood pressure went down. (The study noted that the relationship between potassium and blood pressure was only present in women with high sodium intake.) The association between potassium and blood pressure wasn’t present in men.

During a median follow-up of 19.5 years, the researchers found that 55 percent of the participants were hospitalised or died to due cardiovascular disease. When looking at the connection between potassium intake and cardiovascular events, they found that people who consumed the highest amounts of potassium were 13 percent less likely to suffer from heart attack or stroke.

“The results suggest that potassium helps preserve heart health, but that women benefit more than men,” said Professor Vogt. “The relationship between potassium and cardiovascular events was the same regardless of salt intake, suggesting that potassium has other ways of protecting the heart on top of increasing sodium excretion.”

So, how much potassium should you consume daily? According to the World Health Organisation, adults should consume at least 3.5 grams of potassium and less than two grams of sodium per day. High potassium foods include vegetables, fruit, nuts, beans, dairy products, and fish.

This story first appeared on www.marthastewart.com

(Credit for the hero and featured image: Marko Geber / Getty Images)

© 2021 Meredith Corporation. All rights reserved. Licensed from MarthaStewart.com and published with permission of Meredith Corporation. Reproduction in any manner in any language in whole or in part without prior written permission is prohibited.

Eating bananas and other potassium-rich foods may improve heart health in women

Madeline Buiano

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