Wednesday January 22, 2020

Drinking Lingonberry Juice may Regulate Blood Pressure: Study

Drinking this berry juice may lower blood pressure

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blood pressure
Long-term consumption of lingonberry juice lowers high blood pressure. Pixabay

Long-term consumption of lingonberry juice lowers high blood pressure and improves the functions of blood vessels, reveals an experimental study.

At some point in their lives, many people develop elevated blood pressure, even hypertension and functional disturbances in blood vessels related to low-grade inflammation.

In addition to drug therapies, nutrition has a key role in the management of these disorders.

Studies have shown that polyphenol-rich food reduces the risk of cardiovascular diseases.

Lingonberry, bilberry, cranberry and blackcurrant are excellent sources of polyphenols.

“Lingonberry juice is no substitute for medication, but it is a good dietary supplement,” said researcher Anne Kivimaki from University of Helsinki in Finland.

Both lingonberry and cranberry are part of the Vaccinium family of plants, just like bilberries blueberries and huckleberries.

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The juice does not prevent the age-related elevation of blood pressure. Pixabay

In her doctoral thesis, Kivimaki investigated the cardiovascular effects of cold-pressed lingonberry juice, cranberry juice and blackcurrant juice as drinking fluid for 8-10 weeks on genetically hypertensive rats (SHR).

Diluted lingonberry juice significantly lowered high blood pressure while juice that contained more polyphenols improved impaired blood vessel function to the level of healthy vessels, the results showed.

The juice did not prevent the age-related elevation of blood pressure typical to the hypertensive animal strain.

Lingonberry juice prevented the expression of genes associated with low-grade inflammation in the aorta. The effect of other berry juices was less marked, showed the findings.

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Underlying the effect is probably the reduction of low-grade inflammation as well as mechanisms related to the renin-angiotensin system, a central regulator of blood pressure, and the availability of nitric oxide, a local endothelial vasodilating factor, said the study. (IANS)

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Promotional E-Cigarettes Posts on Instagram Outnumber Anti-Vaping Content: Study

E-cigarette popular on Instagram despite anti-vaping content

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e-cigarettes
Despite "The Real Cost" awareness campaign launched by the US Food and Drug Administration (FDA) in 2018, nearly one third of American teenagers are estimated to use e-cigarettes. Pixabay

Promotional e-cigarettes posts on popular photo-sharing platform Instagram outnumber anti-vaping content 10,000 to one, according to a new study and health news.

Despite “The Real Cost” awareness campaign launched by the US Food and Drug Administration (FDA) in 2018, nearly one third of American teenagers are estimated to use e-cigarettes, the researchers said.

The study, published in the journal Frontiers in Communication, highlights the limited impact of the FDA campaign, while also using deep learning – an artificial intelligence method – to better understand the marketing tactics used by vaping companies.

“US public health officials have been calling vaping among youth an epidemic and have been putting a lot of effort into trying to stop this epidemic by introducing #TheRealCost anti-vaping campaign but this stark imbalance in the volume of posts has caused the FDA message to be overwhelmed by marketing from the vaping brands,” said study researcher Julia Vassey from University of California in the US.

e-cigarettes
Many teenagers continue to view e-cigarettes as healthier than conventional cigarettes, but vaping is associated with inflammation, reduced immune responses and breathing troubles. Pixabay

Many teenagers continue to view e-cigarettes as healthier than conventional cigarettes, but vaping is associated with inflammation, reduced immune responses and breathing troubles, the study said.

To further understand how vaping is perceived on social media, research team collected 245,894 Instagram posts spanning from before and after the #TheRealCost campaign launch.

The team also conducted interviews with five vaping influencers and eight college-age social media users. “We focused on Instagram because the vaping influencers we interviewed for this study identified Instagram as their most important social media marketing platform,” Vassey explained.

“Based on the results, the FDA anti-vaping campaign is not very popular and we saw Instagram user comments disputing the FDA claims of damaging health effects from nicotine and calling the campaign propaganda,” Vassey added.

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In contrast to the FDA’s intentions, the study found that vaping posts received nearly three times more “likes” after the campaign launch. They also found that there were six times as many posts that had greater than 100 likes.

According to the researchers, participants in the focus groups suggested that the anti-vaping campaign promoted scare tactics rather than offering guidance on how to quit vaping. (IANS)