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    Is It Safe to Exercise When You’re Sick?

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    If you have a cold, Covid or the flu, here’s how to determine whether it’s wise to work out.It happens to all of us: Your alarm goes off for a morning workout and you roll over with a groan. You’re not just tired — your body feels off.If you’re starting to get sick, is it better to rest or push through an illness to get to the gym? And how sick is too sick to exercise?Look to your specific symptoms for answers, said Dr. Greg Summerville, a sports medicine physician at the University of North Carolina at Chapel Hill.“Your body is speaking to you,” he said. Your symptoms are there for a reason. With fall virus season picking up, The New York Times asked doctors how to know when you should skip your workout and when it’s safe to get back to exercise.Use your symptoms as a guide.When you first feel an inkling of illness, Dr. Amy Comander, the director of the lifestyle medicine program at Massachusetts General Hospital, recommends evaluating how your whole body feels, and doing a “neck check.” If your symptoms are above the neck — say, a runny nose, congestion or a sore throat — you are probably safe to work out as long as you feel up for it.But if you are experiencing symptoms below the neck, such as muscle aches or an elevated heart rate, that is probably a sign that your body is working hard to fight off an infection, and exercising could set back your recovery time, she said.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      3 Presumed Bird Flu Cases Reported in Colorado

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      The cases, which have yet to be confirmed, were identified in farmworkers culling infected birds. The risk to the public remains low, health officials said.Three workers at a poultry farm in northeast Colorado have preliminarily tested positive for bird flu, according to state health officials.The workers had been culling birds from an infected population at the farm, the Colorado Department of Public Health and Environment said on Friday. All three workers had direct contact with infected birds and were experiencing mild symptoms, including conjunctivitis and “common respiratory infection symptoms,” the department said.The results are preliminary, and the tests have been sent to the Centers for Disease Control and Prevention for confirmation, the C.D.C. said.So far, four farmworkers in the United States have been infected with the virus, called H5N1, which is tied to a continuing outbreak among dairy cattle in several states.One case has been reported in Colorado, another in Texas and two more in Michigan, according to the C.D.C. All of those cases involved direct exposure to dairy cows, according to the state and federal health authorities, and officials have said that there is no evidence that the H5N1 virus spreads easily among humans.The risk to the public remains low, the C.D.C. said, but the agency added that it had sent a team to Colorado at the state’s request to help investigate.The C.D.C. said that it would look into whether workers were wearing personal protective equipment. Farmworkers are advised but not required to wear such equipment, including masks, safety goggles and gloves.“These preliminary results again underscore the risk of exposure to infected animals,” the C.D.C. said of the three new cases in Colorado. “There are no signs of unexpected increases in flu activity otherwise in Colorado, or in other states affected by H5 bird flu outbreaks in cows and poultry.”Avian influenza refers to a group of flu viruses primarily adapted to birds. The virus infecting farmworkers, H5N1, was first identified in 1996 in China and reported in people in 1997 in Hong Kong. A new form of H5N1, which surfaced in Europe in 2020, has rapidly spread around the world, and an outbreak in the United States has affected more than 99 million birds.The outbreak has been spreading among dairy farms since at least March, and 152 dairy herds in 12 states have tested positive for the virus. Scientists are researching how the virus is being transmitted through cows.The virus has also spread to a wide array of animals, including marine mammals like seals and bottlenose dolphins, skunks, squirrels and even domestic cats. More

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      Mildred Thornton Stahlman, Pioneer in Neonatal Care, Dies at 101

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      She developed one of the first modern intensive care units for premature babies, helping newborns to breathe with lifesaving new treatments.Dr. Mildred Thornton Stahlman, a Vanderbilt University pediatrician whose research on fatal lung disease in newborns led to lifesaving treatments and to the creation, in 1961, of one of the first neonatal intensive care units, died on Saturday at her home in Brentwood, Tenn. She was 101.Her death was confirmed by Eva Hill, the wife of Dr. Stahlman’s nephew George Hill.On Oct. 31, 1961, Dr. Stahlman fitted a premature baby who was gasping for breath into a miniature iron lung machine, also known as a negative pressure ventilator, the kind used for children with polio. The machine worked by pulling the baby’s frail chest muscles open to help draw in air. The baby survived.That initial success, along with findings from Dr. Stahlman’s studies on newborn lambs, helped launch a new era of treating respiratory lung disease, a leading killer of premature babies. Immature lungs lack surfactant, a soapy chemical that coats air sacs. Without surfactant, the tiny sacs collapse.Shortly after her first success, Dr. Stahlman reported that, by 1965, she had used the iron lung machine, augmented with positive pressure, to save 11 of 26 babies at Vanderbilt. By the 1970s, negative pressure tanks were jettisoned for positive pressure machines that worked by inflating the lungs. In the 1990s, the use of surfactants extracted from animal lungs dramatically improved the survival of babies with severe disease who required mechanical ventilation. “Millie was one of the first to push the limits of viability of premature infants in a careful and scientific way,” said Dr. Linda Mayes, a Yale professor of child psychiatry, pediatrics and psychology and chair of the Yale Child Study Center who trained under Dr. Stahlman. “She was a physician-scientist long before that phrase was popular.”In the early days of neonatology, Dr. Stahlman was one of the few doctors in the world who knew how to thread tiny catheters into the umbilical vessels of newborns to monitor blood oxygen, wrote Sarah DiGregorio in her book, “Early: An Intimate History of Premature Birth and What It Teaches Us about Being Human.” The procedure was vital to ensuring enough oxygen to keep the babies alive but not so much that it might trigger blindness.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      Up to 70 Percent of People With Asthma and COPD Go Undiagnosed

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      Here’s how to tell if you’re one of them.In spring 2020, Jazzminn Hein received an automated phone call from The Ottawa Hospital in Canada, asking if she or anyone in her household had experienced wheezing, shortness of breath or other breathing problems in recent months. The question caught her attention: Just a week earlier, Ms. Hein, then 24, had gone on a stroll with her mother-in-law and newborn only to end up feeling like her chest was burning.“I realized that I had had breathing issues from a very young age,” Ms. Hein said. As a child, she often had to catch her breath on the sidelines during gym class. As an adult, she frequently had to pause after carrying laundry up the stairs. So Ms. Hein pressed “1” to receive a follow-up call from a nurse.A few months later, as part of a study conducted by researchers at the University of Ottawa, a doctor diagnosed Ms. Hein with asthma.Estimates suggest that 20 to 70 percent of people with asthma or another group of conditions called chronic obstructive pulmonary disease that causes similar symptoms, go undiagnosed.To look for patients with those diseases, researchers placed automated calls to more than a million households across Canada asking about breathing issues. Many people hung up. But the research team talked to more than 38,000 people experiencing such symptoms, and ultimately found more than 500 patients, including Ms. Hein, with either undiagnosed asthma or C.O.P.D who could participate in their clinical trial.Roughly half were told to follow up with their primary care provider and received standard care, such as a short-acting inhaler to be used as needed. The other half saw pulmonologists who frequently prescribed better, long-acting medication and worked with an educator who taught patients how to properly use an inhaler and avoid allergens, provided support to quit smoking, gave exercise and weight counseling, and more. These measures could help reduce symptoms, said Dr. Shawn Aaron, a lung specialist at The Ottawa Hospital and a professor at the University of Ottawa who led the research.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      Biden Administration Toughens Limits on Deadly Air Pollution

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      The E.P.A. says the new rule will prevent 4,500 premature deaths annually. Industry leaders are expected to challenge the regulation, saying it will harm the economy.The Environmental Protection Agency on Wednesday tightened limits on fine industrial particles, one of the most common and deadliest forms of air pollution, for the first time in a decade.Business groups immediately objected, saying the new regulation could raise costs and hurt manufacturing jobs across the country. Public health organizations said the pollution rules would save lives and strengthen the economy by reducing hospitalizations and lost workdays.Fine particulate matter, which can include soot, can come from factories, power plants and other industrial facilities. It can penetrate the lungs and bloodstream and has been linked to serious health effects like asthma and heart and lung disease. Long-term exposure has been associated with premature deaths.The new rule lowers the annual standard for fine particulate matter to nine micrograms per cubic meter of air, down from the current standard of 12 micrograms. Over the next two years, the E.P.A. will use air sampling to identify areas that do not meet the new standard. States would then have 18 months to develop compliance plans for those areas. By 2032, any that exceed the new standard could face penalties.“Soot pollution is one of the most dangerous forms of air pollution,” Michael S. Regan, the E.P.A. administrator, said in a call with reporters on Tuesday. “This is truly a game changer for the health and well-being of communities in our country.”Mr. Regan estimated that the rule would prevent 4,500 premature deaths every year and 290,000 lost workdays because of illness. The E.P.A. maintained that the rule also would deliver as much as $46 billion in net health benefits in the first year that the standards would be fully implemented.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More