太原市肛肠医院有哪些(太原大便前有少量鲜血) (今日更新中)

A genetic analysis of COVID-19 patients suggests that blood type might influence whether someone develops severe disease.Scientists who compared the genes of thousands of patients in Europe found that those who had Type A blood were more likely to have severe disease while those with Type O were less likely.Wednesday’s report in the New England Journal of Medicine does not prove a blood type connection, but it does confirm a previous report from China of such a link.“Most of us discounted it because it was a very crude study,” Dr. Parameswar Hari, a blood specialist at the Medical College of Wisconsin, said of the report from China. With the new work, “now I believe it,” he said. “It could be very important.”Other scientists urged caution.The evidence of a role for blood type is “tentative ... it isn’t enough of a signal to be sure,” said Dr. Eric Topol, head of the Scripps Research Translational Institute in San Diego.The study, involving scientists in Italy, Spain, Denmark, Germany and other countries, compared about 2,000 patients with severe COVID-19 to several thousand other people who were healthy or who had only mild or no symptoms. Researchers tied variations in six genes to the likelihood of severe disease, including some that could have a role in how vulnerable people are to the virus. They also tied blood groups to possible risk.Most genetic studies like this are much larger, so it would be important to see if other scientists can look at other groups of patients to see if they find the same links, Topol said.Many researchers have been hunting for clues as to why some people infected with the coronavirus get very ill and others, less so. Being older or male seems to increase risk, and scientists have been looking at genes as another possible “host factor” that influences disease severity.There are four main blood types — A, B, AB and O — and “it’s determined by proteins on the surface of your red blood cells,” said Dr. Mary Horowitz, scientific chief at the Center for International Blood and Marrow Transplant Research.People with Type O are better able to recognize certain proteins as foreign, and that may extend to proteins on virus surfaces, Hari explained.During the SARS outbreak, which was caused by a genetic cousin of the coronavirus causing the current pandemic, “it was noted that people with O blood type were less likely to get severe disease,” he said.Blood type also has been tied to susceptibility to some other infectious diseases, including cholera, recurrent urinary tract infections from E. coli, and a bug called H. pylori that can cause ulcers and stomach cancer, said Dr. David Valle, director of the Institute of Genetic Medicine at Johns Hopkins University.Bottom line: “It’s a provocative study. It’s in my view well worth publishing and getting out there,” but it needs verification in more patients, Valle said.___The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Department of Science Education. The AP is solely responsible for all content. 3086

A federal judge has ruled in favor of a group of adult entertainers who claimed their rights were violated when police raided San Diego strip club where they worked. An attorney for the women said the ruling essentially finds that the city's municipal code, which allows for inspections of police regulated businesses, violated the dancer's First Amendment rights. But the judge stopped short of ruling on the claim that the city also violated the Fourth Amendment on unreasonable searches and seizures. The San Diego City Attorney's office told 10News it's reviewing the ruling at this time and had no further comment. The dancers are also seeking damages, which their attorney says will be decided when the matter goes to trial, but a date hasn't been set.  797

A college entrance exam policy aimed at helping students with disabilities was exploited to enable cheating in what is being described as the biggest school admissions scandal ever prosecuted by federal authorities, according to court papers made public Tuesday.At least 50 people were charged in the scheme, which included not only cheating on the admissions tests but also bribing coaches to gain admission for students into elite schools. Among the defendants were actresses Felicity Huffman and Lori Loughlin.A federal affidavit made public Tuesday details allegations of test administrators being bribed "to allow a third party to facilitate cheating" on the ACT and SAT exams. The document says that in some cases, that involved providing answers, correcting answers after the fact or having someone else pose as the student to take the test.RELATED: Two San Diegans charged in college admissions schemeThe College Board, which runs the SAT, and ACT Inc. provide accommodations for students with medically documented disabilities that can include giving students extra time to complete the test or allowing them to take it alone under the supervision of a proctor.Both organizations are now defending the integrity of their testing process.The College Board said it has seen an increase in disabilities accommodations request in recent years as more students have opted to take its exams."The College Board has a comprehensive, robust approach to combat cheating, and we work closely with law enforcement as part of those efforts. We will always take all necessary steps to ensure a level playing field for the overwhelming majority of test takers who are honest and play by the rules," the nonprofit said in a statement.The court documents revealed how some wealthy families exploited the rite-of-passage exam that most high schoolers endure in order to apply for college admission. Clients paid ,000 to ,000 per test, according to the documents, "with the payments typically structured as purported donations" to a charity run by a cooperating witness.RELATED: Actresses Felicity Huffman, Lori Loughlin charged in alleged college admissions schemeAccording to the federal affidavit, parents were told by the witness, referred to as CW-1, who founded the Edge College & Career Network, also known as The Key, to have their children "purport to have learning disabilities" so they could get the medical documentation and then request to take the exam at one of two test centers the witness controlled. There, the court papers said, the cheating occurred.The doctored exams were then sent back to the testing organizations for grading.The court papers include a conversation between one of the defendants in the case, Gordon Caplan, and the witness that was obtained through a wiretap."Caplan: And it works?CW-1: Every time (laughing)."LIST: These are all the people charged in the alleged college cheating scamA private school director in Los Angeles and a public high school teacher in Houston have been charged with racketeering conspiracy for their role as paid standardized test administrators for both The College Board and ACT Inc.Officials with the ACT said it contracts with thousands of people to administer its college entrance exam around the country and slammed "the few bad actors who have attempted to undermine a fair testing environment." ACT also urged people to report suspected cheating through its security hotline."We appreciate the efforts of the authorities and the attention that they have brought to the importance of fairness in testing," ACT said in a statement.The typical testing experience has students taking the fee-based exam at their high school or a nearby school test site in their community. It's most often done in a group setting, a timed environment and monitored by familiar school staff, such as teachers and counselors contracted by ACT and SAT officials, experts said.Students arrive on the date with photo identification, which is matched to their preregistration information and the photo they send to the ACT and SAT administrators validating who they are.Students with disabilities who receive school accommodations and are served by the federal Individualized Education Program can apply directly to the ACT and SAT for similar accommodations, which may include testing documents in Braille for blindness, a text reader for dyslexia, snack breaks for diabetes, and extended time or one-on-one testing for attention deficit disorders.The College Board said it has dedicated staff to consider such requests and may request documentation to vet it.Rachel Rubin, co-founder of Spark Admissions near Boston, said it's common for families to get psychiatric evaluations for their children so that they can get extra time for the SAT or ACT or take it over multiple days or in a quiet room. She said such exams usually aren't covered by insurance and can cost thousands of dollars, yet another way the wealthy can get a leg up over the less fortunate.Jayne Fonash, a recently retired high school counselor in Virginia and the president-elect of the National Association for College Admission Counseling, said in her two decades of working with students to take college exams, it was extremely rare for a disability request to be denied.Fonash said she served as a test administrator for many years with both test makers. She said she was paid about 0 to supervise a testing room or about 0 to manage an entire test site."They're not doing it for the money. They're doing it so students have access to this testing opportunity," Fonash said of the educators who run the tests so that their students can take the test in a place they are familiar with and comfortable. "It goes to show the length that some parents and some professionals go to manipulate the process."___Associated Press writer Collin Binkley in Boston contributed to this report. 5917

A glacier in Italy is turning pink. The color is caused by algae growth — and scientists worry it will make the glacier melt faster, because darker colors absorb more radiation.Past studies report 50% of ice in the Alps' glaciers will be gone by 2050 because of climate change. pic.twitter.com/cgGwWQcG81— AJ+ (@ajplus) July 7, 2020 340

A majority of teens think remote learning is worse than in-person learning, however only one-in-five would do full in-person learning this fall if it was up to them, according to a survey released this week by SurveyMonkey and Common Sense Media.The survey asked 890 teenagers, ages 13-to-17, a series of questions about the academic school year and their feelings about the impacts of coronavirus pandemic safety measures that have canceled school-related sports, activities and some classes.About 59 percent of participants said that remote learning was “worse” or “much worse” than in-person instruction. And roughly the same percentage are worried about falling behind academically because of the impacts on learning during the pandemic.About one-in-four participants are worried about unreliable internet connection at home."More than any other issue, teens point to remote learning as their biggest academic challenge this fall," said Jon Cohen, chief research officer at SurveyMonkey, in a statement. "So much of the national conversation on virtual schooling focuses on the burden it places on parents and corresponding losses in workplace productivity, but it's possible that the day-to-day impact on students that will have longer-term implications."But teens appear to understand the seriousness of coronavirus and the reasons behind the changes to their learning situation. About 42 percent would prefer to be fully remote learning this fall, and the majority of them cited the threat of coronavirus as their reason.About 69 percent of survey participants are somewhat or very worried that they or someone they know would get sick because of in-person learning.Participants are also worried about their current relationships and future prospects. More than half, 56 percent, say they are somewhat or very worried they will lose connection with friends.Looking ahead in life, about half of teens in the study said they were worried about losing scholarship opportunities and future job or college aspirations because of the pandemic.Survey responses were gathered in the last week of August. About a third of survey participants reported they were going to attend school fully remote learning, and only seven percent were planning on full in-person learning. 2277

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