Adelaide (Australia): According to a study by the University of South Australia, daily consumption of yoghurt could help people manage high blood pressure.
The research has been published in the 'International Dairy Journal'. Conducted in partnership with the University of Maine, the study examined the associations between yoghurt intake, blood pressure and cardiovascular risk factors, finding that yoghurt is associated with lower blood pressure for those with hypertension.
Globally, more than a billion people suffer from hypertension (high blood pressure), putting them at greater risk of cardiovascular diseases (CVDs) such as heart attack and stroke.
CVDs are the leading cause of death worldwide - in the United States, one person dies from CVD every 36 seconds; in Australia, it's every 12 minutes.
UniSA researcher Dr Alexandra Wade said that this study provided new evidence that connected yoghurt with positive blood pressure outcomes for hypertensive people.
"High blood pressure is the number one risk factor for cardiovascular disease, so it's important that we continue to find ways to reduce and regulate it," Dr Wade said.
"Dairy foods, especially yoghurt, may be capable of reducing blood pressure. This is because dairy foods contain a range of micronutrients, including calcium, magnesium and potassium, all of which are involved in the regulation of blood pressure." Wade added.
"Yoghurt is especially interesting because it also contains bacteria that promote the release of proteins which lowers blood pressure. This study showed for people with elevated blood pressure, even small amounts of yoghurt were associated with lower blood pressure," Wade explained.
"And for those who consumed yoghurt regularly, the results were even stronger, with blood pressure readings nearly seven points lower than those who did not consume yoghurt," Wade said.
The study was conducted on 915 community-dwelling adults from the Maine-Syracuse Longitudinal Study. Habitual yoghurt consumption was measured using a food frequency questionnaire. High blood pressure was defined as being greater than or equal to 140/90 mmHg (a normal blood pressure level is less than 120/80 mmHg).
Researchers said that future observational and intervention studies should continue to focus on at-risk individuals to examine the potential benefits of yoghurt.
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