Researchers from St. George’s Medical School in London found that people who consumed potassium citrate — which is found naturally in food — has the same effects in decreasing blood pressure in people with hypertension as those who took potassium chloride, which is only available as a supplement, Harvard Medical School reported. Flickr photo by robin_24. Watermelon Watermelon is not just refreshing, it contains a bounty of nutrients including fiber, lycopenes, vitamin A and potassium, according to the Mother Nature Network. And, a study from Florida State University researchers shows that an amino acid found — called L-citrulline/L-arginine — in watermelon could also have blood pressure-lowering effects. The researchers had nine people with prehypertension take 6 grams of the L-citrulline/L-arginine amino acid a day over a six-week period. They found that the study participants had lower blood pressure, as well as better functioning of their arteries.
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Volunteerism may lower blood pressure, study finds
Also in this section Beauty sleep or brains sleep? Switching off helps regrow brain cells Tiny organs, no larger than a grain of rice, called the carotid bodies, located near the artery that carries blood to the head and neck, were found to play a major role in causing and maintaining high levels of blood pressure. Although the study, carried out by researchers at the University of Bristol and published in Nature Communications, looked at models of high blood pressure in rats, their findings were so significant that they have already led to a human clinical trial in 20 patients, which will be completed early next year. High blood pressure , or hypertension , affects nearly a third of people in the UK and is known as the silent killer because thousands of patients do not know they have the condition.
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‘World’s biggest silent killer’: Breakthrough could revolutionise treatment of blood pressure
The reasons aren’t entirely clear, but as we age, our arteries tend to become less flexible and more constricted. Hormonal changes associated with menopause also appear to be a factor. Women are more likely to have hypertension than are men, African-Americans more likely than whites. At CMU, Sneed and psychology professor Sheldon Cohen studied 1,164 adults between the ages of 51 and 91.
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