内容摘要：Race isn’t a biological factor like age, sex or weight — it’s a social construct. So how did it make its way into calculations of kidney function?

Race isn’t a biological factor like age, sex or weight — it’s a social construct. So how did it make its way into calculations of kidney function?

But the candidate who may ultimately decide the outcome is one who won’t appear on the runoff ballot.Sławomir Mentzen, a 38-year-old far-right politician and beer producer from the central city of Torun, finished third in the first round of voting on May 18, with nearly 15% of the vote. Though eliminated, his supporters — often young, anti-establishment, and deeply skeptical of both Brussels and Poland’s political establishment — have become the most sought-after constituency in the country.

Both remaining candidates have gone out of their way to court Mentzen and his base. In recent days, each man traveled to the north-central Polish town of Torun, famous for being the birthplace of astronomer Nicolaus Copernicus, to appear on Mentzen’s YouTube channel, where he has built a following with a mix of libertarian economics, nationalist rhetoric, and anti-EU invective.His influence highlights a broader shift in Polish politics, where the far right — once considered a fringe force — is increasingly shaping the national agenda. It’s also part of a larger trend of hard-right parties gaining traction across Europe.Far-right Confederation party’s presidential candidate Sławomir Mentzen speaks to supporters in Saturday,Warsaw, Poland, May 10, 2025. (AP Photo/Czarek Sokolowski)

Far-right Confederation party’s presidential candidate Sławomir Mentzen speaks to supporters in Saturday,Warsaw, Poland, May 10, 2025. (AP Photo/Czarek Sokolowski)Piotr Buras, head of the European Council on Foreign Relations’ Warsaw office, says Poland is part of a larger pattern in which voters turn to populist forces amid rapid social change. But he also cites local factors, such as disillusionment with Tusk’s coalition.

That coalition, which spans the ideological spectrum, has struggled to agree on key issues, including liberalizing the abortion law — a campaign promise. Meanwhile, outgoing conservative President Andrzej Duda has blocked parts of Tusk’s agenda. Observers say the coalition’s voters must be highly mobilized on Sunday to defeat Nawrocki.

The liberal presidential candidate Rafal Trzaskowski, front left, waves as he and Polish prime minister Donald Tusk, front right, take part in a march one week ahead of a decisive presidential election in Warsaw, Poland on Sunday, May 25, 2025. (AP Photo/Czarek Sokolowski)SINGAPORE (AP) — The United States is not ruling out a reduction in forces deployed to South Korea as the Trump administration determines what presence it needs in the region to best counter China, two senior American defense officials told reporters traveling with U.S. Defense Secretary Pete Hegseth to Singapore.

There are 28,500 U.S. troops deployed to South Korea as part of the U.S. long-term commitment to help defend Seoul from any attack from North Korea.But the U.S. is also trying to array its forces and ships optimally across the Indo-Pacific as a credible deterrent against China for any potential attack on Taiwan and other acts of aggression against allies in the region.

No decision has been made on the number of troops deployed to South Korea, but any future footprint would be optimized not only to defend against Pyongyang but also to deter China, one of the officials said. The two officials spoke on condition of anonymity to discuss deliberations that have not been made public.Hegseth is in Singapore to attend his first Shangri-La dialogue as President Donald Trump’s defense secretary. His South Korean counterpart is not expected to attend due to elections in Seoul.