Eating more potassium-rich foods such as bananas, avocados and salmon can reduce the effects of high dietary salt intake on women’s bodies, according to a study published in the European Heart Journal, a journal of the European Society of Cardiology (ESC). Negative impact.
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Study author Professor Liffert Vogt from the University of Amsterdam Medical Centre in the Netherlands said: “High salt intake is known to be associated with increased blood pressure and increased risk of heart attack and stroke. Recommendations for healthy eating focus on salt restriction. , but this is difficult to achieve when our daily diet includes processed foods. Potassium helps the body excrete more sodium in the urine. In our study, dietary potassium was associated with Women’s health is at stake.”
The study included 24,963 participants (11,267 men and 13,696 women) from the EPIC-Norfolk study. The EPIC-Norfolk study recruited volunteers aged 40 to 79 years from general clinics in Norfolk, UK, between 1993 and 1997. The average age was 59 for men and 58 for women. Participants completed a questionnaire about lifestyle habits, and the researchers measured their blood pressure and collected urine samples. The study used urine sodium and potassium to estimate dietary intake, and participants were divided into low, moderate and high categories based on sodium and potassium intake.
24,963 participants in the EPIC-Norfolk study were selected for analysis | Reference [1]
The researchers analyzed the relationship between potassium intake and blood pressure after adjusting for factors such as age, gender and sodium intake. Potassium consumption (measured in grams per day) was associated with blood pressure in women, and blood pressure decreased as potassium intake increased. When analyzing this relationship in terms of low, moderate, and high sodium intake, the association between potassium intake and lower blood pressure was only observed in women with high sodium intake—a daily potassium intake For every 1-gram increase in volume, systolic blood pressure decreased by 2.4 mmHg. Among the men surveyed, there was no association between potassium intake and blood pressure.
During a median follow-up of 19.5 years, 13,596 participants (55% of the total) were hospitalized or died from cardiovascular disease. The researchers analyzed potassium intake after adjusting for factors such as age, sex, body mass index (BMI), sodium intake, use of lipid-lowering drugs, smoking, alcohol intake, diabetes and previous heart attack or stroke. The relationship between intake and cardiovascular disease. Among all participants, the highest potassium intake quintile had a 13% lower risk of cardiovascular disease than the lowest potassium intake quintile, with a 7% lower risk in men and 11% in women. Dietary salt content did not affect the association between potassium intake and cardiovascular disease in both sexes.
Prof Vogt said: “The results suggest that potassium helps protect heart health and that women benefit more than men. The association between potassium and cardiovascular disease is the same regardless of salt intake, suggesting that potassium is increasing There are other ways to protect the heart beyond sodium excretion.”
Study shows diet high in potassium is good for heart health | Flickr, Kjokkenutstyr Net/CC BY-SA 2.0 (https://ift.tt/1sZgEch)
The World Health Organization recommends that adults consume at least 3.5 grams of potassium per day and less than 2 grams of sodium (5 grams of salt). Foods high in potassium include vegetables, fruits, nuts, beans, dairy products, and fish. For example, a 115-gram banana has 375 mg of potassium, a 154-gram serving of cooked salmon has 780 mg, a 136-gram serving of potatoes has 500 mg, and 1 cup of milk has 375 mg.
Prof Vogt concluded: “Our findings suggest that for heart health, the diet should not only limit salt intake, but also increase potassium intake. Food companies can do this by swapping out the standard sodium in processed foods for potassium. Salt substitutes to help. Beyond that, we should prioritize fresh, unprocessed foods because they are high in potassium and low in salt.”
references
[1] Wouda RD, Boekholdt SM, Khaw KT, et al. Sex-specific associations between potassium intake, blood pressure, and cardiovascular outcomes: the EPIC-Norfolk study[J]. 2022.
[2] https://ift.tt/C0Uknt9
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Editor: Jin Xiaoming
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Title image source: Flickr, Kjokkenutstyr Net/CC BY-SA 2.0 (https://ift.tt/1sZgEch)
research team
Corresponding author Liffert Vogt: Professor of Clinical Nephrology and Renal Physiology, Faculty of Medicine, University of Amsterdam. His main research interests are the experimental and clinical science of sodium ion balance, the experimental and clinical science of the extracellular polysaccharide matrix of endothelial cells (endothelin complex), Clinical science and epidemiology of chronic renal failure and hypertension.
Paper information
Publication of the journal European Heart Journal
Posted on August 7, 2022
Paper Title Sex-specific associations between potassium intake, blood pressure, and cardiovascular outcomes: the EPIC-Norfolk study
(DOI: https://ift.tt/4tesjLk)
Article Area Cardiology
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