中山那家医院看肠胃(中山拉大便怎么会出血呢) (今日更新中)

Researchers thought they had a way to keep hard-to-treat patients from constantly returning to the hospital and racking up big medical bills. Health workers visited homes, went along to doctor appointments, made sure medicines were available and tackled social problems including homelessness, addiction and mental health issues.Readmissions seemed to drop. The program looked so promising that the federal government and the MacArthur Foundation gave big bucks to expand it beyond Camden, New Jersey, where it started. But a more robust study released Wednesday revealed it was a stunning failure on its main goal: Readmission rates did decline, but by the same amount as for a comparison group of similar patients not in the costly program.“There’s real concern that the response to this would be to just throw up our arms” and say nothing can be done to help these so-called frequent fliers of the medical system, said study leader Amy Finkelstein.Instead, researchers need to seek better solutions and test them as rigorously as new drugs, said Finkelstein, of the Massachusetts Institute of Technology and the National Bureau of Economic Research.Federal grants and research groups at MIT paid for the study, which was 1236

Several popular breakfast foods, including Cheerios and Nature Valley products, continue to test positive for trace amounts of a controversial herbicide that may increase the risk of cancer, according to a 218

Special counsel Robert Mueller did not find Donald Trump's campaign or associates conspired with Russia, Attorney General William Barr said Sunday.Mueller also did not have sufficient evidence to prosecute obstruction of justice, Barr wrote, but he did not exonerate the President.Read the full letter below. 320

Screen time use by infants, toddlers and preschoolers has exploded over the last decade, concerning experts about the impact of television, tablets and smartphones on these critical years of rapid brain development.A new study scanned the brains of children 3 to 5 years old and found those who used screens more than the recommended one hour a day without parental involvement had lower levels of development in the brain's white matter -- an area key to the development of language, literacy and cognitive skills."This is the first study to document associations between higher screen use and lower measures of brain structure and skills in preschool-aged kids," said lead author Dr. John Hutton, a pediatrician and clinical researcher at Cincinnati Children's Hospital. The study was 799

ST. LOUIS — Police say four officers were hit by gunfire after protests in St. Louis that started peacefully Monday became violent overnight, with demonstrators smashing windows and stealing items from businesses and fires burning in the downtown area.The police department tweeted early Tuesday that the officers were taken to a hospital with injuries that were not believed to be life-threatening. It was unclear who had fired the shots.The chaos in St. Louis followed continued protests Monday in Missouri over the death of George Floyd and police treatment of African Americans, with gatherings also held in Kansas City and Jefferson City. 655

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