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Drinking specific vegetable juice could reduce older adults’ blood pressure, study finds

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Drinking specific vegetable juice could reduce older adults’ blood pressure, study finds

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Beetroot juice, which is rich in nitrates, has been linked to changing the community of bacteria living in the mouth.

Now, a new study has found that drinking this juice could reduce older adults’ blood pressure.

Researchers at the University of Exeter compared the response of both younger and older participants to the juice and published the study in Free Radical Biology and Medicine.

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Thirty-nine participants under age 30, plus 36 individuals in their 60s and 70s, were split into two separate two-week phases.

One group consumed nitrate-rich beetroot juice shots daily, while the other group — a placebo group — received a version without nitrates. Each group had a “wash-out period” between phases to reset their systems.

Research reveals dietary nitrates from beetroot juice could improve certain adults’ vascular health.  (iStock)

Researchers practiced bacterial gene sequencing to identify which microbes were present in the participants’ mouths before and after each treatment.

Older adults who drank nitrate-rich beetroot juice had fewer mouth bacteria called Prevotella, which is linked to inflammation, and more helpful bacteria like Neisseria.

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“Foods that are high in dietary nitrates such as leafy greens, beets and lettuce can help lower blood pressure.”

Fox News senior medical analyst Dr. Marc Siegel told Fox News Digital that nitrates lead to lower blood pressure by improving flexibility, decreasing resistance in blood vessels and lowering inflammation. 

The patients started the study with higher blood pressure, which went down after the beetroot juice — but blood pressure didn’t change with those in the placebo group.

“We know that foods that are high in dietary nitrates such as leafy greens, beets and lettuce can help lower blood pressure,” said Siegel.

Older adults who drank nitrate-rich beetroot juice had fewer mouth bacteria called Prevotella, which is linked to inflammation, and more helpful bacteria like Neisseria. (Natasha Breen/REDA&CO/Universal Images Group via Getty Images)

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He added, “Nitrates are converted to nitric oxide by your body. Nitric oxide is a key molecule in vascular health as it promotes the vessels to dilate and thus reduces blood pressure.”

Co-author Andy Jones, a professor at the University of Exeter, said in a press release that the study shows that “nitrate-rich foods alter the oral microbiome in a way that could result in less inflammation, as well as a lowering of blood pressure in older people.”

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Lee Beniston, an associate director of the Biotechnology and Biological Sciences Research Council, said the “research is a great example of how bioscience can help us better understand the complex links between diet, the microbiome and healthy aging.”

“By uncovering how dietary nitrate affects oral bacteria and blood pressure in older adults, the study opens up new opportunities for improving vascular health through nutrition,” Beniston added.

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“As we age, our levels of bioavailable nitric oxide lower, so it makes sense that we see more of a benefit in consuming dietary nitrates in older patients.”  (iStock)

Both researchers shared that more research is needed. 

Siegel noted that “as we age, our levels of bioavailable nitric oxide lower, so it makes sense that we see more of a benefit in consuming dietary nitrates in older patients.” 

He said the study does support the well-established belief that a good diet, high in fresh fruits and vegetables, can help manage many chronic medical conditions.

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Anyone with high blood pressure or other medical conditions should check with doctors or medical experts before making dietary changes. The same applies to those taking medication.

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The Best Time To Drink Coffee for Weight Loss and a Faster Metabolism

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The Best Time To Drink Coffee for Weight Loss and a Faster Metabolism


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‘SuperAgers’ stay mentally sharp well past 80, as scientists reveal the reason

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‘SuperAgers’ stay mentally sharp well past 80, as scientists reveal the reason

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→ Some 80-year-olds still have razor-sharp brains — and now scientists know why

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→ 5 ways to preserve vision as you age, according to an ophthalmologist

SuperAger Ralph Rehbock sits with his wife in his home.  (Shane Collins, Northwestern University)

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A doctor says the second wave of flu season may be worse than previous years. (iStock)

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More than 59% of women may have high blood pressure by 2050, according to a new report from the American Heart Association.

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Heart disease threat projected to climb sharply for key demographic

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Heart disease threat projected to climb sharply for key demographic

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A new report by the American Heart Association (AHA) included some troubling predictions for the future of women’s health.

The forecast, published in the journal Circulation on Wednesday, projected increases in various comorbidities in American females by 2050.

More than 59% of women were predicted to have high blood pressure, up from less than 49% currently.

The review also projected that more than 25% of women will have diabetes, compared to about 15% today, and more than 61% will have obesity, compared to 44% currently.

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As a result of these risk factors, the prevalence of cardiovascular disease and stroke is expected to rise to 14.4% from 10.7%.

The prevalence of cardiovascular disease and stroke in women is expected to rise to 14.4% from 10.7% by 2050. (iStock)

Not all trends were negative, as unhealthy cholesterol prevalence is expected to drop to about 22% from more than 42% today, the report stated.

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Dr. Elizabeth Klodas, a cardiologist and founder of Step One Foods in Minnesota, commented on these “jarring findings.”

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“The fact that on our current trajectory, cardiometabolic disease is projected to explode in women within one generation should be a huge wake-up call,” she told Fox News Digital.

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“Hypertension, diabetes, obesity — these are all major risk factors for heart disease, and we are already seeing what those risks are driving. Heart disease is the No. 1 killer of women, eclipsing all other causes of death, including breast cancer.”

Cardiovascular disease is the leading cause of death for women in the U.S. and around the world. (iStock)

Klodas warned that heart disease starts early, progresses “stealthily,” and can present “out of the blue in devastating ways.”

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The AHA published another study on Thursday revealing one million hospitalizations, showing that heart attack deaths are climbing among adults below the age of 55.

The more alarming finding, according to Klodas, is that young women were found more likely to die after their first heart attack than men of the same age.

DOCTOR SHARES 3 SIMPLE CHANGES TO STAY HEALTHY AND INDEPENDENT AS YOU AGE

“This is all especially tragic since heart disease is almost entirely preventable,” she said. “The earlier you start, the better.”

Children can show early evidence of plaque deposition in their arteries, which can be reversed through lifestyle changes if “undertaken early enough and aggressively enough,” according to the expert.

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Moving more is one part of protecting a healthy heart, according to experts. (iStock)

Klodas suggested that rising heart conditions are associated with traditional risk factors, like smoking, high blood pressure, high cholesterol, diabetes, obesity and a sedentary lifestyle.

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Doctors are also seeing higher rates of preeclampsia, or high blood pressure during pregnancy, as well as gestational diabetes. Klodas noted that these are sex-specific risk factors that don’t typically contribute to complications until after menopause.

The best way to protect a healthy heart is to “do the basics,” Klodas recommended, including the following lifestyle habits.

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Klodas especially emphasized making improvements to diet, as the food people eat affects “every single risk factor that the AHA’s report highlights.”

“High blood pressure, high blood sugar, high cholesterol, excess weight – these are all conditions that are driven in part or in whole by food,” she said. “We eat multiple times every single day, which means what we eat has profound cumulative effects over time.”

“Even a small improvement in dietary intake, when maintained, can have a massive positive impact on health,” a doctor said. (iStock)

“Even a small improvement in dietary intake, when maintained, can have a massive positive impact on health.”

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The doctor also recommends changing out a few snacks per day for healthier choices, which has been proven to “yield medication-level cholesterol reductions” in a month.

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“Keep up that small change and, over the course of a year, you could also lose 20 pounds and reduce your sodium intake enough to avoid blood pressure-lowering medications,” Klodas added.

“Women should not view the AHA report as inevitable. We have power over our health destinies. We just need to use it.”

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