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Common kinds of air pollution led to changes in teens’ blood pressure, study says | CNN

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Common kinds of air pollution led to changes in teens’ blood pressure, study says | CNN



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Scientists know that air air pollution could make it tough to breathe and will in the end trigger severe well being issues like most cancers, however a brand new examine exhibits that it may also have a destructive affect on teenagers’ blood strain.

Publicity to increased ranges of nitrogen dioxide was related to decrease blood strain in teenagers, in keeping with the examine, printed Wednesday within the journal PLOS One. Publicity to particulate matter 2.5, also referred to as particle air pollution, was related to increased blood strain.

The researchers say the affect is “appreciable.”

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Different research have discovered a connection between blood strain modifications and air pollution, however a lot of that work focuses on adults. Some analysis has additionally discovered destructive associations with air pollution publicity and youthful kids, however little has centered on teenagers.

Typically, low blood strain could cause rapid issues like confusion, tiredness, blurred imaginative and prescient and dizziness. Hypertension in adolescence can result in a lifetime of well being issues together with a better danger of stroke or coronary heart assault. It’s a number one danger issue for untimely demise worldwide.

The examine didn’t take a look at whether or not the teenagers had signs or well being results from the change in blood strain.

The scientists noticed this affiliation between air pollution and blood strain in information from the Determinants of Adolescent Social Nicely-Being and Well being examine, which tracks the well being of a big and ethnically various group of kids in London over time.

The researchers took information from greater than 3,200 teenagers and in contrast their information to their exposures to air pollution based mostly on annual air pollution ranges the place they lived.

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Nitrogen dioxide air pollution is mostly related to traffic-related combustion byproducts. Nitrogen might assist crops develop, however it will possibly impair an individual’s capability to breathe and will trigger injury to the human respiratory tract. On this examine, the nitrogen was regarded as coming predominantly from diesel visitors.

The particle air pollution within the examine is so tiny – 1/twentieth of a width of a human hair – that it will possibly journey previous the physique’s typical defenses. As an alternative of being carried out when an individual exhales, it will possibly get caught within the lungs or go into the bloodstream. The particles trigger irritation and irritation and will result in an entire host of well being issues.

Particle air pollution can come from forest fires, wooden stoves, energy crops and coal fires. It will probably additionally come from visitors and development websites.

On this examine, the hyperlink between air pollution publicity and modifications in blood strain was stronger in women than in boys. The researchers can’t decide why there’s a gender distinction, however they discovered that 30% of the feminine individuals bought the least quantity of train among the many group and famous that that may impact blood strain.

“It’s thus crucial that air air pollution is improved in London to maximise the well being advantages of bodily train in younger individuals,” the examine says.

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Though the examine can also’t pinpoint why teenagers’ blood strain modified with air pollution publicity, others have discovered that publicity to air air pollution might have an effect on the central nervous system, inflicting irritation and injury to the physique’s cells. Moreover, publicity to particle air pollution can disrupt an individual’s circadian rhythms, which may have an effect on blood strain. Particle air pollution publicity may additionally cut back the kidneys’ capability to excrete sodium in the course of the day, resulting in a better nighttime blood strain stage, the examine says.

When it got here to nitrogen dioxide air pollution, the researchers had beforehand achieved a crossover examine that concerned the blood strain of 12 wholesome teen individuals who have been uncovered to nitrogen oxide from a home fuel cooker with lit burners. Their blood strain fell in contrast with individuals uncovered to solely room air.

Within the new examine, the associations between air pollution and blood strain have been constant. Physique measurement, socieoecomonic standing and ethnicity didn’t change the outcomes.

Nevertheless, it appears solely at teenagers in London, and solely 8% of them have been individuals of colour. These kids have been uncovered to increased ranges of air pollution than White kids, the examine discovered.

Ranges of air pollution in London are additionally effectively above what World Well being Group tips recommend is secure for people. Nevertheless, the identical could possibly be mentioned for many any space on the earth. In 2019, 99% of the world’s inhabitants lived in locations that didn’t meet WHO’s advisable air high quality ranges.

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Earlier work has proven that air pollution can injury a teen’s well being and will put them at a better danger for persistent illnesses like coronary heart issues later in life. Research in adults discovered that publicity to air air pollution can have an effect on blood strain even inside hours of publicity.

Air pollution prompted 1 in 6 deaths worldwide in 2019 alone, one other examine discovered.

Some consultants recommend that one strategy to cut back a teen’s danger of pollution-related well being issues is to spend money on moveable air cleaners with HEPA filters which are extremely efficient at lowering indoor air air pollution. Nevertheless, the filters can’t take away the entire drawback, and consultants say communitywide options via public coverage are what’s wanted.

Dr. Panagis Galiatsatos, an assistant professor in pulmonary and demanding care medication at Johns Hopkins Drugs, mentioned analysis like that is vital to generate a speculation about what these pollution are doing to individuals. Galiatsatos, a volunteer medical spokesperson with the American Lung Affiliation, was not concerned with the brand new examine.

“Plenty of these air pollutions are likely to cluster in economically deprived neighborhoods, so it’s one of many huge causes we need to all the time preserve an in depth eye on this, because it disproportionately impacts sure populations greater than others,” he mentioned.

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Blood strain is a crucial marker to trace for well being as a result of it’s a surrogate to grasp the extra complicated processes that is likely to be taking place within the physique.

“My huge takeaway is that these toxins clearly appear to have some physiological affect on the cardiovascular system, and any manipulation needs to be taken into the context of a priority,” Galiatsatos mentioned.

Research co-author Dr. Seeromanie Harding, a professor of social epidemiology at King’s School London, mentioned she hopes it would result in extra analysis on the subject.

“On condition that greater than 1 million beneath 18s dwell in [London] neighborhoods the place air air pollution is increased than the advisable well being requirements,” she mentioned in a information launch, “there’s an pressing want for extra of those research to realize an in-depth understanding of the threats and alternatives to younger individuals’s improvement.”

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‘Mission South Africa’: How Trump Is Offering White Afrikaners Refugee Status

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‘Mission South Africa’: How Trump Is Offering White Afrikaners Refugee Status

Almost immediately after taking office, President Trump began shutting down refugee resettlement programs, slashing billions of dollars in funding and making it all but impossible for people from scores of countries to seek haven in the United States.

With one exception.

The Trump administration has thrown open the doors to white Afrikaners from South Africa, establishing a program called “Mission South Africa” to help them come to the United States as refugees, according to documents obtained by The New York Times.

Under Phase One of the program, the United States has deployed multiple teams to convert commercial office space in Pretoria, the capital of South Africa, into ad hoc refugee centers, according to the documents. The teams are studying more than 8,200 requests expressing interest in resettling to the United States and have already identified 100 Afrikaners who could be approved for refugee status. The government officials have been directed to focus particularly on screening white Afrikaner farmers.

The administration has also provided security escorts to officials conducting the interviews of potential refugees.

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By mid-April, U.S. officials on the ground in South Africa will “propose long-term solutions, to ensure the successful implementation of the president’s vision for the dignified resettlement of eligible Afrikaner applicants,” according to one memo sent from the embassy in Pretoria to the State Department in Washington this month.

The administration’s focus on white Afrikaners comes as it effectively bans the entry of other refugees — including about 20,000 people from countries like Afghanistan, Congo and Syria who were ready to travel to the United States before Mr. Trump took office. In court filings about those other refugees, the administration has argued that core functions of the refugee program had been “terminated” after the president’s ban, so it did not have the resources to take in any more people.

“There’s no subtext and nothing subtle about the way this administration’s immigration and refugee policy has obvious racial and racist overtones,” said Vanessa Cárdenas, the executive director of America’s Voice. “While they seek to single out Afrikaners for special treatment, they simultaneously want us to think mostly Black and brown vetted newcomers are dangerous despite their background checks and all evidence to the contrary.”

The program also inserts the United States into a charged debate inside South Africa, where some members of the white Afrikaner minority have begun a campaign to suggest that they are the true victims in post-apartheid South Africa. Under apartheid, a white minority government discriminated against South Africans of color, and brutality and violence flourished, leading to torture, disappearances and murder.

There have been murders of white farmers, the focus of the Afrikaner grievances, but police statistics show they are not any more vulnerable to violent crime than others in the country. In South Africa, more than 90 percent of the population comes from racial groups persecuted by the racist, apartheid regime.

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In a statement, the State Department said it was focused on resettling Afrikaners who have been “victims of unjust racial discrimination.” The agency confirmed that it had begun interviewing applicants and said they would need to pass “stringent background and security checks.”

The decision to unleash resources for Afrikaners just starting the refugee process, while stonewalling court demands to process those fleeing other countries who have already been cleared for travel, risks upending an American refugee program that has been the foundation of the United States’ role for the vulnerable, according to resettlement officials.

“The government clearly has the ability to process applications when it wants to,” said Melissa Keaney, a senior supervising attorney for the International Refugee Assistance Project, the group representing plaintiffs trying to restart refugee processing.

Mr. Trump signed an executive order suspending refugee admissions on his first day in office, arguing that welcoming refugees could compromise resources for Americans. He added that future versions of the program should prioritize “only those refugees who can fully and appropriately assimilate into the United States.”

A federal judge in Seattle later temporarily blocked that executive order and instructed the administration to restore the refugee program. But the Trump administration still cut contracts with organizations that assist those applying for refugee status overseas, reducing the infrastructure needed to support people seeking refuge in the United States.

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An appeals court ruled last week that the administration must admit those thousands of people who were granted refugee status before Mr. Trump entered office, but also declined to stop him from halting the admission of new refugees.

The Justice Department has for weeks deflected demands from refugee advocates accusing the administration of sidestepping the court order and delaying the process of almost every refugee previously granted a ticket to come to the United States. The Trump administration has said it has allowed a limited number of refugees who were vetted to enter the country, although the State Department declined to provide a number.

Lawyers for the Justice Department have argued both that the administration now lacks resources to help thousands of refugees and that in restarting the program the government reserves the right to “do so in a manner that reflects administration priorities.”

Mr. Trump has made clear what those priorities were when he created a refugee carve-out for white Afrikaners. Mr. Trump at the time accused the South African government of confiscating the land of white Afrikaners, backing a long-held conspiracy theory about the mistreatment of white South Africans in the post-apartheid era.

Mr. Trump was referring to a recent policy signed into law by the South African government, known as the Expropriation Act. It repeals an apartheid-era law and allows the government in certain instances to acquire privately held land in the public interest, without paying compensation, only after a justification process subject to judicial review.

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Mr. Trump and his allies have for years echoed the grievances of Afrikaners. During his first term, Mr. Trump directed the State Department to investigate land seizures and “the large-scale killing of farmers.” Elon Musk, who was born in South Africa but is not of Afrikaner descent, has also falsely claimed that white farmers in South Africa were being killed every day.

Despite the claims, white people own half of South Africa’s land while making up just 7 percent of the country’s population. Police statistics do not show that they are any more vulnerable to violent crime than other people in the nation.

Ernst Roets, the former executive director of the Afrikaner Foundation, which lobbies for international support of the interests of Afrikaners, said many of his peers felt seen by Mr. Trump.

But he said the creation of the new refugee program had elicited debate among Afrikaners. Many do not want to leave their home, Mr. Roets said, but want the United States to back their efforts to claim “self-governance” in South Africa.

“I don’t know anyone — no one I’m aware of — that plans to move to America,” Mr. Roets said. “People who want to come to America, we would support that. If people want to relocate to America, the farmers or Afrikaners, we think they would make good Americans.”

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“There’s a good fit,” he added.

Zumbe Baruti, a Congolese refugee living in South Carolina, said he spent decades in a refugee camp in Africa waiting for his turn to be accepted.

“Those white Africans are allowed to enter the United States, but Black Africans are denied entry to the United States,” Mr. Baruti, 29, said in Swahili. He said the pivot away from refugees who have waited in camps for years and to Afrikaners was a form of “discrimination.”

Mr. Baruti, a member of the Bembe people in the Democratic Republic of Congo, fled ethnic violence in the nation when he was a child. He was granted refugee status in 2023, but his wife and three children — the oldest 6 years old and the youngest just 2 — had yet to clear security vetting. He entered the United States two years ago, focused on getting a job, saving money and immediately applying for his family to join him.

When he entered, he said he was told by advisers helping him with his application that his family would most likely join him in two years.

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He said that seemed unlikely as Mr. Trump turned his focus elsewhere.

“Regarding my family,” Mr. Baruti said, “hope has diminished.”

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Trump threatens secondary tariffs on Russian oil if no deal on Ukraine

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Trump threatens secondary tariffs on Russian oil if no deal on Ukraine

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Donald Trump said he was “pissed off” with Vladimir Putin for foot-dragging in talks over a ceasefire with Ukraine, as the US president threatened secondary tariffs on buyers of Russian oil if no deal is done. 

Trump’s comments on Sunday revealed the frustration at the White House with the Russian president as negotiations over a settlement of the war in Ukraine continue on without a clear breakthrough.

The new threat to hit imports from countries that purchase Russian oil come as Trump prepares to impose tariffs on goods from many of America’s largest trading partners on Wednesday. The president has proclaimed the moment “liberation day”, but the plan has caused turmoil in markets and anxiety among businesses and governments worldwide. 

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Trump’s outburst at Moscow is a shift in tone for the US president, who for weeks blamed Volodymyr Zelenskyy, the Ukrainian president, for being reluctant to strike a deal. 

The US president chided Putin for attacking Zelenskyy’s legitimacy as Kyiv’s leader.

“If we’re in the midst of a negotiation, you could say that I was very angry, pissed off . . . when Putin started getting into Zelenskyy’s credibility,” Trump told NBC News. “That’s not going in the right location, you understand?”

While Ukraine has agreed to American demands for a full 30-day ceasefire, Russia has rebuffed the plan and conceded only to a truce regarding energy infrastructure targets and maritime operations in the Black Sea — and only if the west first lifts sanctions on some agricultural goods.

Zelenskyy has accused Russia of breaking the energy ceasefire at least twice since it was agreed. “Russia must be forced into peace — only pressure will work,” he said this weekend.

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Finnish President Alexander Stubb, right. with Donald Trump at Mar-a-Lago on Saturday © Finnish Presidential Office/Instagram/Reuters

Finland’s president Alexander Stubb, who spent seven hours with Trump at his Mar-a-Lago resort on Saturday including a round of golf, told the Financial Times the US president was “running out of patience” with Putin over the ceasefire.

“I think we’re moving in the right direction,” said Stubb on a visit to London where he will on Monday debrief British prime minister Keir Starmer on his discussions with Trump.

Stubb said he had proposed setting a deadline of April 20 — which marks three months since Trump returned to the White House — to accept a 30-day unconditional truce on land, sea and in the air. Both western and eastern Christian churches will celebrate Easter on April 20 this year, a rare calendar alignment.

“The Russians are stalling, they’re coming up with new conditions,” Stubb said. “Let’s call Putin’s bluff for what it is. Russia at this stage does not want peace. So we need to force peace on Russia.”

Trump had previously threatened Russia with new tariffs and sanctions if it resisted an agreement, but expanding the trade bluster to buyers of Russian oil in other countries will add more pressure on Putin. 

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“If a deal isn’t made, and if I think it was Russia’s fault, I’m going to put secondary sanctions on Russia,” Trump told NBC.

Trump did not offer a clear explanation of what the plan would involve. He said “anybody buying oil from Russia will not be able to sell their product, any product, not just oil, into the United States”, but also said there would be a “25 to 50-point tariff on all oil”. 

The US president added that he would slap “secondary tariffs” on Iran if they failed to make a deal on its nuclear programme, as he renewed his threat of “bombing” Tehran if they did not strike an agreement.

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Iran rejects direct nuke talks as Trump threatens 'bombing' – DW – 03/30/2025

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Iran rejects direct nuke talks as Trump threatens 'bombing' – DW – 03/30/2025

Iranian President Masoud Pezeshkian on Sunday rebuked the idea of direct negotiations with US President Donald Trump’s administration over its nuclear program. 

Pezeshkian: US must ‘build trust’ after earlier breached promises 

“We responded to the US president’s letter via Oman and rejected the option of direct talks, but we are open to indirect negotiations,” Pezeshkian said during a sitdown with his cabinet broadcast on Iranian TV. 

“We don’t avoid talks; it’s the breach of promises that has caused issues for us so far,” Pezeshkian said. “They must prove that they can build trust.”

During Trump’s first term in 2018, he pulled the US out of a nuclear agreement with Iran known as the Joint Comprehensive Plan of Action (JCPOA).

Iran and Russia look to forge stronger ties against West

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That deal provided sanctions relief for Iran, with the Iranian government in exchange curbing its nuclear program and allowing inspectors from the International Atomic Energy Agency to periodically view its enrichment sites. France, Germany, Russia, the UK and the EU are some of the other parties signed onto the JCPOA.   

Trump vows ‘bombing’ if no new Iran nuclear deal 

Trump sent a letter to Iranian Supreme Leader Ayatollah Khamenei earlier this month, urging Iran to reach a new nuclear deal with the US in his second term in the White House.   

In an interview with US broadcaster NBC News, Trump made new threats towards Iran if there is no new nuclear agreement with the US.

“If they don’t make a deal,” Trump told the outlet on Saturday evening, referring to Iran. “There will be bombing. It will be bombing the likes of which they have never seen before.”

Trump claimed that representatives from the US and Iran are “talking” on the matter.  

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Trump orders strikes on Houthi rebels in Yemen

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The Trump administration has a “maximum pressure” approach towards Iran, which aims to both economically and politically isolate Tehran.

The Trump administration has also vowed to crack down on so-called Iranian proxies in the Middle East region, with the US currently attacking the Iran-backed Houthis in Yemen. 

Edited by: Roshni Majumdar

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