New research finds that people who consume foods high in flavonoids, such as berries, apples, and pears, have lower blood pressure than those who do not.
 MNT's Sunday Supplement: How berries lower blood pressure with help from gut bacteria | There was good news for people who enjoy berries, dark chocolate, and red wine this week. A new study that Medical News Today reported on investigated how powerful antioxidants in some foods and drinks — called flavonoids — may improve high blood pressure and why these compounds may affect some people more than others.
As well as reducing high blood pressure, flavonoids may offer protection against heart attack, stroke, type 2 diabetes, and some types of cancer. However, the beneficial effect of flavonoids on blood pressure varies among individuals, and now there is evidence that gut bacteria may, in part, explain these differences.
Bacteria in the human gut break down flavonoids to release bioactive compounds that have a powerful protective effect on the heart. Researchers have found that people who consume the most flavonoids have a greater diversity of bacteria in their gut — and benefit from greater protection — than those with less diverse gut bacteria.
If researchers can identify which bacteria are best at breaking down flavonoids into more powerful compounds, this may result in pre- or probiotic supplements that boost flavonoid metabolism in those who need it most.
But, until then, we'll have to rely on eating more berries and dark chocolate and, perhaps, drinking a little red wine to enjoy the health benefits.
To learn more about how flavonoids in berries and other foods interact with gut bacteria, jump to "Berries may lower blood pressure with help from gut bacteria."
Also this weekend, we report on which cognitive functions may actually improve with age, detail the latest research on the Delta variant of SARS-CoV-2, and look at the pros and cons of plant-based meat. You'll find these and more new stories and resources below.
We'll return with our regular daily newsletter tomorrow. Until then, please share your thoughts on this weekend's stories with us by email.
Tim Snaith
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