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Universally available herbal teas based on sage and perilla elicit potent antiviral activity against SARS-CoV-2 in vitro. -- Dragonfly Kingdom Library

Posted on March 12, 2021 at 7:10 AM Comments comments (0)

The current SARS-CoV-2/COVID-19 pandemic represents an unprecedented medical and socioeconomic crisis. Highly efficient treatment options preventing morbidity and mortality are not broadly available and approved drugs are hardly affordable in developing countries. Even after vaccine approvals, it will take several months until the vaccinated and convalescent individuals establish herd immunity. Meanwhile, non-pharmaceutical interventions and antiviral treatments are indispensable to curb the death toll of the pandemic. To identify cost-effective and ubiquitously available options, we tested common herbs consumed worldwide as herbal teas. We found that aqueous infusions prepared by boiling leaves of the Lamiaceae plants perilla and sage elicit potent antiviral activity against SARS-CoV-2 in human cells. Sustained antiviral activity was evident even when cells were treated for only half an hour, and in therapeutic as well as prophylactic regimens. Given the urgency, such inexpensive and broadly available substances might provide help during the pandemic - especially in low-income regions

150,000-Year-Old Pipes (Or Giant Tree Roots) Baffle Scientists in China: Out of Place in Time? --- Dragonfly Kingdom Library

Posted on December 30, 2020 at 6:45 AM Comments comments (0)

..........geological theory that in certain temperatures and under certain chemical conditions, tree roots can undergo diagenesis (transformation of soil into rock) and other processes that can produce iron formations............

Oopart (out of place artifact) is a term applied to dozens of prehistoric objects found in various places around the world that seem to show a level of technological advancement incongruous with the times in which they were made. Ooparts often frustrate conventional scientists, delight adventurous investigators open to alternative theories, and spark debate.


In a mysterious pyramid in China’s Qinghai Province near Mount Baigong are three caves filled with pipes leading to a nearby salt-water lake. There are also pipes under the lake bed and on the shore. The iron pipes range in size, with some smaller than a toothpick. The strangest part is that they may be about 150,000 years old.


Dating done by the Beijing Institute of Geology determined these iron pipes were smelted about 150,000 years ago, if they were indeed made by humans, according to Brian Dunning of Skeptoid.com.


And if they were made by humans, history as it is commonly viewed would have to be re-evaluated.


The dating was done using thermoluminescence, a technique that determines how long ago crystalline mineral was exposed to sunlight or heated. Humans are only thought to have inhabited the region for the past 30,000 years. Even within the known history of the area, the only humans to inhabit the region were nomads whose lifestyle would not leave any such structures behind.


The state-run news agency Xinhua in China reported on the pyramid, the pipes, and the research began by a team scientists sent to investigate in 2002.


Though some have since tried to explain the pipes as a natural phenomenon, Yang Ji, a research fellow at the Chinese Academy of Social Sciences, told Xinhua the pyramid may have been built by intelligent beings. He did not dismiss the theory that ancient extraterrestrials may be responsible, saying this theory is “understandable and worth looking into … but scientific means must be employed to prove whether or not it is true.”


Another theory is that it was built by prehistoric humans with techniques lost to humans of a later period.


The pipes lead into a salty lake, though a twin lake nearby contains freshwater. The surrounding landscape is strewn with what Xinhua described as “strangely shaped stones.” Rocks protrude from the ground like broken pillars.


The head of the publicity department at the local Delingha government told Xinhua the pipes were analyzed at a local smeltery and 8 percent of the material could not be identified. The rest was made up of ferric oxide, silicon dioxide, and calcium oxide. The silicon dioxide and calcium oxide are products of long interaction between the iron and surrounding sandstone, showing the ancient age of the pipes. Liu Shaolin, the engineer who did the analysis, told Xinhua: “This result has made the site even more mysterious.”


To further add to the mystery, Zheng Jiandong, a geology research fellow from the China Earthquake Administration told state-run newspaper People’s Daily in 2007 that some of the pipes were found to be highly radioactive.


Other Theories

Jiandong said iron-rich magma may have risen from deep in the Earth, bringing the iron into fissures where it would solidify into tubes. Though he admitted, “There is indeed something mysterious about these pipes.” He cited the radioactivity as an example of the strange qualities of the pipes.


Others have said iron sediments may have washed into the fissures, carried with water during floods.


Though Xinhua and other publications in China have referred to a pyramid or even a mysterious pyramid in which the pipes were found, some have said it was a pyramid-shaped natural formation.


Another theory is that the pipes are fossilized tree roots. Xinmin Weekly reported in 2003 that scientists found plant matter in an analysis of the pipes, and they also found what looked like tree rings. The article related the finding to a geological theory that in certain temperatures and under certain chemical conditions, tree roots can undergo diagenesis (transformation of soil into rock) and other processes that can produce iron formations.

How a giant tree's death sparked the conservation movement 160 years ago. -- Dragonfly Kingdom Library

Posted on December 30, 2020 at 6:10 AM Comments comments (0)

How a giant tree's death sparked the conservation movement 160 years ago

160 years ago a giant sequoia in California was cut down, becoming the inspiration for the national park system


On Monday, 27 June, 1853, a giant sequoia – one of the natural world's most awe-inspiring sights - was brought to the ground by a band of gold-rush speculators in Calaveras county, California. It had taken the men three weeks to cut through the base of the 300ft-tall, 1,244-year-old tree, but finally it fell to the forest floor.


A section of the bark from the "Mammoth Tree", as newspapers soon described it, had already been removed and was sent to San Francisco to be put on display. The species had only been "discovered" (local Native American tribes such as the Miwok had known of the trees for centuries) that spring by a hunter who stumbled upon the pristine grove in the foothills of the Sierra Nevada whilst chasing an injured bear. Word of the discovery quickly spread.


In the age of PT Barnum's freak shows, the speculators, mostly gold miners, had sensed a commercial opportunity. The section of bark – re-erected using scaffold, with a piano inside to entertain paying visitors - would later be sent to Broadway in New York, as would the bark from a second tree felled a year later. The bark of the "Mother of the Forest" – as the second tree was named – would even go on to be displayed at London's Crystal Palace causing great excitement and wonder in Victorian England before it was destroyed by fire on 30 December 1866. (The bark of the original mammoth tree was also lost to fire as it lay in storage in New York in 1855. A fitting end, perhaps, as fire plays such a crucial role in the life cycle of giant sequoias.)


The fame of the trees was such that a hotel was quickly built at the site to host the influx of tourists. To entertain the guests, tea dances were regularly held on the stump of the mammoth tree and a bowling alley was built on the now prone trunk. (This page has a wonderful range of images of the Mammoth Tree and the Mother of the Forest.)


The remarkable, engaging story of these two doomed trees is too detailed to be told here, but what is worth recalling on this anniversary is the reaction their destruction caused in the media at the time – and its subsequent effect on some progressive politicians a decade later when they cited their felling and exploitation as an inspiration to establish what later came to be known as the US national park system.

Was the outrage expressed by some in the popular media of the day evidence of the first stirrings of an environmental consciousness in the US? It would be wrong to assess such statements without noting the historical context of that age – a time of the "manifest destiny" when nature was viewed as a God-given resource for Mankind to exploit – but it is also hard to ignore the clear outrage and bemusement among some commentators that such magnificent natural specimens had been brutalised in this way.




According to Gary D Lowe, a local historian, author and "Big Tree" aficionado, the first-known negative commentary came a month before the tree was felled. An article in the Sonora Herald, a local newspaper, reported that Captain Hanford, the man leading the enterprise, "is about stripping off the bark". The report went on: "This will of course kill the tree, which is much to be deprecated."


On 27 June, 1853 – the same day the tree finally fell - a report in San Francisco's Placer Times and Transcript also noted an article, again in the Sonora Herald, expressing regret that Captain Hanford was preparing for a "portion of the mammoth tree" to be sent to New York.


"Amator" [Latin for "friend"] is dreadfully shocked at the vandalism and barbarity of flaying that giant of the woods, and depriving California of its greatest "growing" exponent.


However, the same report also goes on to say that the stripping of the tree's bark is "characteristic of California enterprise" and that Hanford's efforts to exhibit the bark in New York will allow "millions of the inhabitants of the earth to see it, has rendered his adopted state a lasting benefit, given to science a page, and the world a natural curiosity". So any sadness at the tree's demise was counteracted by the boost to local pride.


But these were reports in local newspapers with little influence outside the communities they served. A far more significant report came that autumn when Maturin M Ballou, the Boston-based editor of Gleason's Pictorial Drawing Room Companion, one of the most widely read magazines of the day, printed an illustration of the "largest tree yet discovered in the world" on 1 October, 1853. The accompanying text said:


To our mind it seems a cruel idea, a perfect desecration, to cut down such a splendid tree…In Europe, such a natural production would have been cherished and protected, if necessary, by law; but in this money-making, go-ahead community, thirty or forty thousand dollars are paid for it, and the purchaser chops it down, and ships it off for a shilling show! We hope that no one will conceive the idea of purchasing the Niagara Falls with the same purpose!...But, seriously, what in the world could have possessed any mortal to embark in such speculation with this mountain of wood? In its natural condition, rearing its majestic head towards heaven, and waving in all its native vigour, strength and verdure, it was a sight worth a pilgrimage to see; but now, alas, It is only a monument of the cupidity of those who have destroyed all there was of interest connected with it.


Five months later, on 11 March, 1854, Ballou printed a further remark in his magazine:


A tree of such gigantic proportions as well might excite the wonder and curiosity of the world. Although the destruction of such a magnificent object was an act of vandalism not to be forgiven, yet the desecration has been committed, and it is useless now to reiterate our vain regrets.


However, the ripples of outrage took a further year – and the stripping of the Mother of the Forest – to really gain traction. Then came this editorial in the New York Herald, dated 17 December, 1855:


The finest, the most beautiful and symmetrical of these trees, (though not the largest) has been cut down…From this beginning, unless the Goths and Vandals are arrested in their work, the destruction of the incomparable forest will probably go on till the last vestige of it is destroyed. In this view, the point that we make is, that the State of California and the Congress of the Union should interpose to preserve these trees, as the living proofs that the boasted monarchs of the wood of the Old World are but stunted shrubbery compared with the forest giants of our own country. We say that Congress should interpose, upon the presumption that these trees are public property, are on the public lands of California, and because Congress has already interposed to protect the public live oak forests of Florida from the rapacity of unscrupulous speculators…We repeat, that it is the duty of the State of California, of Congress, and of all good citizens, to protect and to preserve these California monuments of the capabilities of our American soil. Let it be the law that this…Mammoth Grove shall stand.


The next notable article was printed in the March 1859 issue (pdf) of Hutchings' California Magazine. It was also later reprinted the following year in the popular tourist guide, Scenes of Wonder and Curiosity in California:


In our estimation, it was a sacrilegious act; although it is possible, that the exhibition of the bark, among the unbelievers of the eastern part of our continent, and of Europe, may have convinced all the "Thomases" living, that we have great facts in California, that must be believed, sooner or later. This is the only palliating consideration with us for this act of desecration.


And then, in 1864, came the culminating moment when John Conness, the senator from California, rose in Congress to make a speech urging his colleagues to pass a bill that would see the now nationally famous Yosemite Valley and its neighbouring grove of sequoias in the mountains above Mariposa secured and protected "inalienable forever". In making his case, he directly referenced the fate of the felled trees at Calaveras just over a decade earlier:


From the Calaveras grove some sections of a fallen tree were cut during and pending the great World's Fair that was held in London some years since…The English who saw it declared it to be a Yankee invention, made from beginning to end; that it was an utter untruth that such trees grew in the country; that it could not be; and, although the section of the tree was transported there at an expense of several thousand dollars, we were not able to convince them that it was a specimen of American growth. They would not believe us. The purpose of this bill is to preserve one of these groves from devastation and injury. The necessity of taking early possession and care of these great wonders can easily be seen and understood.




The bill passed and the "Yosemite grant" paved the way for the first official national park being established at Yellowstone in 1872. Celebrated conservationists such as John Muir would all later visit the stump of the original "mammoth tree" to reflect on both its fate and influence. However, the grove of sequoias at Calaveras – where the story of the US conservation movement arguably began – did not become a state park until 1931 following a decades-long fight to see off the desires of lumber companies.


Today, the trees are now safe from the "Goths and Vandals", but not, alas, some of the side-effects of modern civilization: urban ozone, climate change, uncontrolled frequent fires, to name but a few.

Indexed and archived from the Guardian by Dragonfly Kingdom Library


Producer Lindsay Guion Announces Partnership with Global Influencer Agency -- Underground Intelligence Music & Multimedia/Dragonfly Kingdom Library

Posted on November 25, 2020 at 1:10 PM Comments comments (0)

Producer Lindsay Guion Announces Partnership with Global Influencer Agency



September 29, 2020, 14:51 GMT

CEO of GUION PARTNERS Lindsay Guion is committed to innovation, continuously searching for new ways to positively contribute to the entertainment landscape.


NEW YORK, NEW YORK, UNITED STATES, September 29, 2020 /EINPresswire.com/ -- Prominent New York City producer Lindsay Guion is pleased to announce his partnership with Global Influencer Agency. As a private agency, GIA is highly selective, representing top industry professionals who are committed to enhancing their reach and creating new career opportunities.


"GIA is a dedicated group of professionals that unite influencers with top tier brands. I am excited to be part of a professional team" states Lindsay Guion. "I believe this opportunity will allow me to take my business to the next level."


The agency has connection in US, European, and Asian markets in various sectors including retail, fashion and beauty, hotels and resorts, travel and tourism, and high-end auto companies.


Helping to establish successful partnerships with exclusive brands, GIA currently represents thousands of influencers in over 160 countries. Lindsay and his team of professionals are excited for this next move in his career.


For more information on Global Influencer Agency (GIA) and their exclusive services, check out their official site.


About Lindsay Guion


As a music industry mogul, Lindsay Guion has worked with both Grammy-award winning musicians and up and coming artists. His experience and extensive knowledge of the entertainment landscape has contributed to his wide scale success and his commitment to innovation has landed him various professional accolades.


Last year, Lindsay also received the title of Managing Partner at Music Industry Quarterly (MIQ) a platform that connects the public to the latest news in music and entertainment.


For more information on Lindsay Guion please visit his official website here.

Lindsay Guion




Lindsay Guion Wins Award for Best Producer from New York Cinematography Awards - Yahoo Finance

Spiritual Recovery: Testosterone is a nuclear androgen receptor ligand that controls multiple pathways in brain. In addition to the active biosynthesis of steroids in classic steroidogenic organs such as gonads, adrenals and placenta, testosterone also pr

Posted on November 8, 2020 at 1:20 PM Comments comments (0)

Testosterone is a nuclear androgen receptor ligand that controls multiple pathways in brain. In addition to the active biosynthesis of steroids in classic steroidogenic organs such as gonads, adrenals and placenta, testosterone also produced in astrocyte cells of brain. Testosterone and its level must be regulated in brain; because, it directly and indirectly affects memory and several key behavioral characteristics. The significance of sound waves on key enzymes that regulate levels of testosterone in brain has not been investigated. The aim of our study was to examine physical stress of such as sound on induction behavioral changes in animal models. According to the current study, sound waves with 528 Hz frequency in 100 dB intensity induce testosterone production in brain by enhancing StAR and SF-1 and reducing P450 aromatase gene expression. Frequency of 528 Hz also reduces total concentration of reactive oxidative species in brain tissue. Prolonged exposure to this sound wave showed reduction of anxiety related behaviors in rats. The results reveal that reduced anxiety is related to increased concentration of testosterone in brain. This study may lead to ascertain a possible therapy in which sounds may be utilized to reduce anxiety in individual.


Keywords: 528 Hz frequency; Astrocyte; P450 aromatase; SF-1; StAR; Testosterone

Indexed by Dragonfly Kingdom Library for NIH.gov

Nature Yoga: Urban Yoga & Street Workouts with Marco Promo 4 featuring DJ Marco Andre of Dragonfly Kingdom International Service Agency / Underground Intelligence Music & Media / Dragonfly Kingdom Library / Arnico Apparel by DJ Marco Andre

Posted on July 21, 2020 at 9:55 AM Comments comments (0)

Nature Yoga: Urban Yoga & Street Workouts with Marco Promo 4 featuring DJ Marco Andre of Dragonfly Kingdom International Service Agency / Underground Intelligence Music & Media / Dragonfly Kingdom Library / Arnico Apparel by DJ Marco Andre




Wardrobe for Part 4 of Nature Yoga with Marco. Part of the Urban Yoga & Street Workouts with Marco series. Marcus "DJ Marco" Andre


Arm Sleeves & Compression Socks by


@copperfit https://amzn.to/3hp3sRB ;


Square Neck Fitted Tanks


White Joggers & High Street Joggers by


@track23_official @pcxapparel




Camo Hoodie by Misaky


& Black Hoodie by Victorious








Accessories: Gem Feather Tribal Yogic Motif Designed by Marcus "DJ Marco" Andre for Nature's Natural Bling Bling by DJ Marco Andre / Custom Arnico Apparel


@amazon #associate #affiliate #PromotionalModel #brandambassador #Health #Fashion #Fitness #streetwear #streetwearmodel @dragonfly_kingdom_models @dragonfly_kingdom_library @chicnyc @globalinfluenceragency



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Archive: Local Roots Festival featuring DJ Marco Andre

Posted on June 18, 2020 at 4:40 AM Comments comments (1)

When: September 11th, 5pm – 10pm (rain date of Sunday, September 12th)



Where: The Community Growing Center, 22 Vinal Ave, Somerville MA, Union Square



Who: Groundwork Somerville benefit featuring: Mark Santoro, Dylan Chace, DJ Marco Andre, Christian McNeill and the Redeemers, Redbones BBQ and Dave’s Fresh Pasta!



Cost: $20 at the door



Additional information: Local Door Prizes, activities by The Swapaholics and Somerville Local First, and LOTS of fun!!



Come support Groundwork Somerville at our annual Local Roots Food and Music Festival on September 11th from 5pm-10pm at the Growing Center (22 Vinal Ave, Somerville – Union Square).



This incredible fundraiser helps to sustain our green community efforts such as the Green Team youth jobs program!



There will be several local musicians showcasing their talents: to name a few – Mark Santoro, Dylan Chace, Christian McNeill and The Redeemers, and DJ Marco Andre in his Somerville debut!



In addition to great music there will be several incredible and unique door prizes such as locally made syrup, Groundwork Somerville gear and a grand mystery prize donated by a local business! Also several other local organizations such as Somerville Local First and The Swapaholics will be there to showcase their own community and sustainability efforts.


Somerville Local First will be putting on an activity to demonstrate the actual impact of buying locally. SLF will have visitors ‘deposit’ the extra $25 that stays in our community from each $100 in local purchases into boxes representing local uses.


This exercise will show what tremendous impact buying local can have and also give individuals the ability to speak about their priorities in our community. Groundwork Somerville will host various activities to get us thinking about our local impact!



Redbones BBQ and Dave’s Fresh Pasta were even kind enough to donate some delicious treats; there will be options for vegetarians!



Suggested donation of $20




Linked In Certified

Posted on November 9, 2019 at 9:25 AM Comments comments (0)


Social Networking




Social Media Marketing


Social Media

Event Planning


Event Management

Voice Over


Music Production


Industry Record Labels


Television Production

Booking Systems..... https://www.linkedin.com/in/djmarcoandre

What is causing that twitching in your muscles?

Posted on October 30, 2019 at 9:25 AM Comments comments (0)

What is benign fasciculation syndrome?

It is a neurological disorder characterized by fasciculations, or twitching of various voluntary muscles in the body

What are the symptoms of the syndrome?

Since many times this is a chronic disorder, it may lead to a variety of other signs and symptoms that might include generalized fatigue, muscle pain, exercise intolerance, or paresthesias, which is the prickly, burning, pins and needles, tingling feeling. The disorder also can cause muscle spasms, cramping, muscle stiffness, myoclonic jerks (a sudden, involuntary muscle spasm), itching or shakiness in the muscles. Additionally, symptoms may include those of anxiety such as globus, which is the sensation of having something stuck in the back of the throat. Headaches or shortness of breath also have been associated with this condition.

The symptoms may last for months or even years. In some cases, symptoms may linger or may come and go with periods of remission, while other times the symptoms may be prominent. In some instances, remission periods may become longer over time with symptomatic episodes occurring less and less.

The symptoms and severity differ from person-to-person.

What causes the twitching, numbness or tingling that people with the condition have?

By definition, BFS is idiopathic, which means that there is no known cause. There are certain medications that may trigger fasciculations but do not cause BFS. These may include Dramamine, Benadryl, Sudafed, Nortriptyline, Ritalin, or beta agonists of which the latter are a class of medications that are commonly used to relax the muscles of the airways and result in easier breathing in those people whom may have a history of asthma, bronchitis or emphysema, for example.

Fasciculations also may be due to trauma or an injury or may be symptoms of anxiety or depression. Some studies have suggested that there is a link to other stress-related conditions such as irritable bowel syndrome, heartburn and headaches. There are also some people who lack certain minerals, including magnesium or calcium, who also may develop fasciculations or even muscle cramps. Fasciculations also have been linked to strenuous exercise, alcohol, cigarette smoking, fatigue, excessive caffeine intake or in the setting of an underlying sleep disorder...... https://www.baltimoresun.com/health/bs-hs-expert-benign-fasciculation-syndrome-20180925-story.html

FCC.gov: Radiation from wireless technology affects the blood, the heart, and the autonomic nervous system

Posted on October 29, 2019 at 8:00 AM Comments comments (0)

Exposure to electrosmog generated by electric,

electronic, and wireless technology is accelerating to

the point that a portion of the population is experienc-

ing adverse reactions when they are exposed. The symp-

toms of electrohypersensitivity (EHS), best described as

rapid aging syndrome, experienced by adults and chil-

dren resemble symptoms experienced by radar opera-

tors in the 1940s to the 1960s and are well described in

the literature. An increasingly common response includes

clumping (rouleau formation) of the red blood cells, heart

palpitations, pain or pressure in the chest accompanied

by anxiety, and an upregulation of the sympathetic nerv-

ous system coincident with a downregulation of the

parasympathetic nervous system typical of the “fight-or-

flight” response. Provocation studies presented in this

article demonstrate that the response to electrosmog is

physiologic and not psychosomatic. Those who experi-

ence prolonged and severe EHS may develop psychologic

problems as a consequence of their inability to work, their

limited ability to travel in our highly technologic environ-

ment, and the social stigma that their symptoms are imag-

ined rather than real.

Keywords: electrosmog; radio-frequency radiation;

rouleau; tachycardia; WiFi; Wolff-Parkinson-White


1)Presented at the Corporate Interference with Science and Health:

Fracking, Food, and Wireless, Scandinavia House, New York, NY,

March 13 and 14, 2013.

*Corresponding author: Magda Havas, PhD, Environmental and

Resource Studies, Trent University, Peterborough, ON, K9J 7B8...... https://ecfsapi.fcc.gov/file/7520958029.pdf

Regular low-level radiation exposure raises high blood pressure risk By American Heart Association News

Posted on October 29, 2019 at 7:55 AM Comments comments (0)

Prolonged exposure to low-dose radiation – like the type emitted by X-ray machines and CT scanners – can increase the risk of developing high blood pressure, a key contributor to heart disease and stroke, a new study has found.

Researchers examined the health records of more than 22,300 workers at the Mayak Production Association, a large-scale nuclear facility in Russia. The employees were hired between 1948 and 1982 and worked an average 18 years at the facility. More than half in the study had been employees for at least a decade.

All the plant employees received at least one comprehensive health exam, including a complete set of lab screenings, each year.

Researchers discovered that 8,425 employees – or about 38% of the group – had blood pressure readings at or above 140/90, and the incidence of high blood pressure was significantly associated with the cumulative radiation dose. The current high blood pressure threshold in the United States is 130/80.

The rate in the new study is higher than the incidence of high blood pressure found among Japanese survivors of the atomic bombs dropped in Hiroshima and Nagasaki in 1945. But it's lower than the risk estimated among cleanup crew members who spent days or months at the Chernobyl nuclear plant following the 1986 explosion at that Ukraine facility.

Ionizing radiation is a form of energy that a growing number of people find themselves exposed to every day, particularly when they undergo diagnostic exams using X-rays and CTs, or computed tomography scans.

Radiation exposure is commonly associated with the development of cancer, but its link to developing heart disease and stroke is not as well known, said Dr. Tamara Azizova, lead author of the study, which published Friday in the American Heart Association journal Hypertension.

"It is necessary to inform the public that not only high doses of radiation, but low to moderate doses also increase the risk of hypertension and other circulatory system diseases, which today contribute significantly to death and disability," Azizova said in a news release. She is a researcher with the Southern Urals Biophysics Institute in Ozersk, Russia.

"As a result, all radiological protection principles and dose limits should be strictly followed for workers and the general public...... https://www.heart.org/en/news/2019/05/03/regular-low-level-radiation-exposure-raises-high-blood-pressure-risk