High levels of air pollution may increase young children’s risk of developing asthma and persistent wheezing, researchers warn. The findings “support emerging evidence that exposure to air pollution might influence the development of asthma,” according to a report by Torben Sigsgaard, of Aarhus University in Denmark, and colleagues. For the new study, the researchers analyzed data on more than 797,000 Danish children who were born between 1997 and 2014 and followed from ages 1 year up to 15 years of age. Nearly 123,000 of the children developed asthma or persistent wheezing, just before age 2 on average. The researchers then checked data on air pollution levels at the children’s home addresses, parents’ asthma, mothers’ smoking, parental education and income. After accounting for other potentially influential factors, the investigators found higher levels of asthma and persistent wheezing in children of parents with asthma and in children of mothers who smoked during pregnancy. Lower levels of asthma and persistent wheezing were found in children of parents with high levels of education and high incomes. The researchers also found that children exposed to higher levels of fine particulate air pollution (PM2.5) were more likely to develop asthma and wheezing than those who weren’t exposed. In people with asthma, the airways become inflamed and produce extra mucus, which makes it difficult to breathe. The study was published online Aug.…  read on >

The Trump administration has blocked the U.S. Food and Drug Administration from regulating a wide swath of laboratory tests, including ones for the coronavirus. The new policy, which was posted Wednesday and is strongly opposed by the FDA itself, stunned health experts and laboratories because of its timing, the Washington Post reported. The change could result in unreliable coronavirus tests getting on the market, potentially worsening the testing crisis in the United States, experts told the newspaper. The one thing the change won’t do is solve testing shortages, because those are due mostly to a lack of the swabs and chemical reagents needed to perform COVID-19 tests, the Post reported. However, supporters claimed it could help get innovative tests to market more quickly. They said that the FDA review process sharply slowed testing at the beginning of the pandemic, and that the new policy could guard against future bottlenecks, the Post reported. Administration officials told the Post that the decision was made for legal reasons. But FDA Commissioner Stephen Hahn staunchly opposed the change, arguing that such authority is critical during a public health emergency like the pandemic, the newspaper reported. The tests affected by the change are those developed by and used at laboratories regulated under the federal government’s Clinical Laboratory Improvement Amendments program, the newspaper said. Such labs are in big academic medical…  read on >

FRIDAY, Aug. 14, 2020 (HealthDay News) The novel coronavirus is surging once more in U.S. nursing homes, where it killed tens of thousands at the start of the pandemic. Federal data cited by two long-term care associations this week illustrated the troubling trend: The number of new cases in nursing homes bottomed out at 5,468 during the week of June 21, but it climbed to 8,628 for the week of July 19, the Washington Post reported. That’s a 58 percent increase, which roughly parallels the rise in overall U.S. cases during that period. On Thursday, Florida Gov. Ron DeSantis warned that more COVID-19 deaths at nursing homes and assisted-living facilities may be coming, even as total caseloads have begun to decline. Florida has seen an outbreak of coronavirus cases this summer and has a large elderly population, the Post reported. “Over the next couple weeks, I’m concerned of seeing kind of a tail, where we start to see some of these long-term-care deaths,” DeSantis said at a forum in Tallahassee. In a different analysis of 35 states, the Kaiser Family Foundation found that cases in long-term care facilities jumped 11 percent in the two weeks ending July 10. But in 23 hot spot states, they rose 18 percent, compared with just 4 percent in 12 states that had the virus under better control, the Post…  read on >

Scientists say they are seeing signs of lasting immunity to the coronavirus, even in those who only experience mild symptoms of COVID-19. A slew of studies show that disease-fighting antibodies, as well as B-cells and T-cells that can recognize the virus, appear to persist months after infections have run their course, The New York Times reported. “This is exactly what you would hope for. All the pieces are there to have a totally protective immune response,” said Marion Pepper, an immunologist at the University of Washington and an author of one of the new studies, which is now undergoing review by the journal Nature. “This is very promising,” said Smita Iyer, an immunologist at the University of California, Davis, who is studying immune responses to the coronavirus in rhesus macaques, told the Times. “This calls for some optimism about herd immunity, and potentially a vaccine.” Although researchers cannot predict how long these immune responses will last, experts consider the data to be the first proof that the body has a good chance of fending off the coronavirus if exposed to it again. “Things are really working as they’re supposed to,” Deepta Bhattacharya, an immunologist at the University of Arizona, told the Times. Bhattacharya is an author on one of the new studies, which was published on medRxiv, a pre-print server for health research that has…  read on >

Microscopic bits of plastic have most likely taken up residence in all of the major filtering organs in your body, a new lab study suggests. Researchers found evidence of plastic contamination in tissue samples taken from the lungs, liver, spleen and kidneys of donated human cadavers. “We have detected these chemicals of plastics in every single organ that we have investigated,” said senior researcher Rolf Halden, director of the Arizona State University (ASU) Biodesign Center for Environmental Health Engineering. There’s long been concern that the chemicals in plastics could have a wide range of health effects ranging from diabetes and obesity to sexual dysfunction and infertility. But the presence of these microscopic particles in major organs also raises the potential that they could act as carcinogenic irritants in much the same way as asbestos, Halden explained. “It is not always necessarily the chemistry that harms us. Sometimes it’s the shape and the presence of foreign particles in our bodies,” Halden said. “We know the inhalation of asbestos leads to inflammation and that can be followed by cancer.” Previous research has shown that, on average, people ingest about 5 grams of plastic every week, the equivalent of a credit card, said Dianna Cohen, CEO of the nonprofit Plastic Pollution Coalition. “It’s heartening to see quality quantitative research being performed on humans to assess the cumulative harmful…  read on >

Women with early-stage breast cancer whose surgery has been postponed during the coronavirus pandemic need not worry about the delay, new study findings suggest. A longer time from diagnosis to surgery doesn’t affect overall survival of women with early-stage tumors, the researchers found. They also said a delay didn’t lower survival among women with estrogen-sensitive, early-stage breast cancer who received neoadjuvant endocrine therapy before their surgery. “Usually we take these patients with very small tumors directly to surgery, so it is a big change in practice to first put those patients on tamoxifen or an aromatase inhibitor,” said lead study author Dr. Christina Minami, an associate surgeon at Brigham and Women’s Hospital in Boston. “What we can say from our findings is that despite the delay in surgical therapy, because you were on neoadjuvant endocrine therapy, we do not think that your survival will at all be impacted,” she added in a news release from the American College of Surgeons. For the study, her team used data on nearly 379,000 women. One group had ductal carcinoma in situ — the earliest form of breast cancer. The other group had small invasive tumors — stage 1 and 2 — that had not spread to lymph nodes and were estrogen receptor-positive. The researchers wanted to know if waiting up to one year from diagnosis to surgery affected…  read on >

In a potential harbinger of what could unfold on college campuses across the United States this fall, the University of North Carolina at Chapel Hill said Monday it will revert back to online teaching after testing showed a rapid spread of coronavirus among students. The university was one of the largest schools in the country to bring students to campus for in-person teaching, The New York Times reported. Officials announced the abrupt change just a week after classes began at the 30,000-student university, the newspaper said. Online instruction for undergraduate students will take effect Wednesday. Why the switch? Out of hundreds tested, 177 cases of COVID-19 had been confirmed among students, the Times reported. Another 349 were in quarantine because of possible exposure to the virus, officials said. Clusters of coronavirus cases have already popped up in three residence halls and a fraternity house. “We understand the concern and frustrations these changes will raise with many students and parents,” UNC-Chapel Hill’s Chancellor Kevin Guskiewicz and Provost Robert Blouin said in a statement, the Times reported. “As much as we believe we have worked diligently to help create a healthy and safe campus living and learning environment, we believe the current data presents an untenable situation.” On Monday, a new report highlighted another untenable situation: COVID-19 cases among nursing home residents have jumped nearly 80% this…  read on >

Be careful that the COVID-19 information you’re getting is accurate and not opinion masquerading as the real McCoy, says the American College of Emergency Physicians. Watch out for bold claims and instant cures touted on social media or by friends. Get health and medical information from experts like the ACEP and the U.S. Centers for Disease Control and Prevention, the physicians’ group says. “A troubling number of purported experts are sharing false and dangerous information that runs counter to the public health and safety guidelines endorsed by ACEP and the nation’s leading medical and public health entities,” said Dr. William Jaquis, president of the college. “This kind of misinformation can not only be harmful to individuals, but it hinders our nation’s efforts to get the pandemic under control,” he added in a college news release. You should know that there is no cure or vaccine for COVID-19. Scientists keep learning more about the virus and how to treat it. COVID-19 can be spread by anyone — even people who don’t think they’re infected. About 40% of those infected don’t have symptoms, but can spread the virus. The virus isn’t harmless, and its long-term effects are still being studied. Without a cure, the best defense is making smart choices and safe behaviors, the college says. “There are still many questions about COVID-19, but we know these…  read on >

Depression, anxiety and inactive lifestyles are all too common among college students, and a new study finds they may have escalated during the initial outbreak of COVID-19. Using a mix of smartphone data and online surveys from more than 200 students, researchers at Dartmouth College determined that the coronavirus pandemic had an immediate impact on the mental health of this particular undergraduate group. The students involved in the study were participating in a research program tracking mental health at the New Hampshire university. They reported spikes in depression and anxiety at the beginning of the pandemic in early March, just as the school pushed students to leave campus and begin remote learning. While their self-reported anxiety and depression lessened slightly later on in the semester, the study found that their overall anxiety and depression levels remained consistently higher than in previous years. “We observed a large-scale shift in mental health and behavior compared to the observed baseline established for this group over previous years,” said study author Jeremy Huckins, a lecturer at Dartmouth. In addition, around spring break period in mid-March, the students reported that their day-to-day lives were dramatically more sedentary than previous terms. “This was an atypical time for these college students. While spring break is usually a period of decreased stress and increased physical activity, spring break 2020 was stressful and confining…  read on >

New data shows that many of the community outbreaks of coronavirus that have cropped up in the United States this summer have originated in restaurants and bars. In Louisiana, roughly a quarter of the state’s 2,360 cases since March that were outside of places like nursing homes and prisons had their origins in bars and restaurants, The New York Times reported. Meanwhile, 12% of new coronavirus cases in Maryland last month were traced to restaurants, while 9% of cases in Colorado have been traced to bars and restaurants, the newspaper said. Whether the infections started among workers or patrons is unclear, but the clusters concern health officials because many restaurant and bar employees are in their 20s and can silently fuel household transmissions, which have soared in recent weeks through the Sun Belt and the West, the Times reported. This summer, scores of restaurants, including ones in Nashville, Las Vega, Atlanta and Milwaukee, have had to close temporarily because of COVID-19 cases among employees, the Times reported. Texas and Florida also had to shut down bars following surges in new cases in those states. In a recent week in San Diego, 15 of the 39 new community cases were traced to restaurants. And in Washington, D.C., cases have climbed since the city reopened indoor dining, the newspaper reported. Indoor dining remains banned in New York…  read on >