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Seniors who get a concussion are more likely to develop dementia or falter as they age, a new study says. Older folks who suffered a traumatic brain injury (TBI) had a higher risk of dementia, requiring home care services or admission to a long-term care facility, researchers reported Oct. 6 in the Canadian Medical Association Journal. “One of the most common reasons for TBI in older adulthood is sustaining a fall, which is often preventable,” wrote the research team led by Dr. Jenny Yu Qing Huang, a geriatrician and doctoral student at the University of Toronto’s Institute of Health Policy, Management and Evaluation. “By targeting fall-related TBIs, we can potentially reduce TBI-associated dementia in this population,” researchers wrote. TBIs occur when a person either whacks their head or is violently jerked by whiplash, causing the brain to hit the inside of the skull and sustain damage, researchers said in background notes. More than 50% of TBIs in older adults result from falls, researchers said. For the new study, researchers analyzed data on more than 260,000 people 65 and older living in Ontario, Canada, comparing the health outcomes of those who’d sustained a TBI against those who hadn’t. The data ran between April 2004 and March 2020. New cases of TBI were associated with a 69% increased risk of dementia developing within five years, and a…  read on >  read on >

Seniors who get a concussion are more likely to develop dementia or falter as they age, a new study says. Older folks who suffered a traumatic brain injury (TBI) had a higher risk of dementia, requiring home care services or admission to a long-term care facility, researchers reported Oct. 6 in the Canadian Medical Association Journal. “One of the most common reasons for TBI in older adulthood is sustaining a fall, which is often preventable,” wrote the research team led by Dr. Jenny Yu Qing Huang, a geriatrician and doctoral student at the University of Toronto’s Institute of Health Policy, Management and Evaluation. “By targeting fall-related TBIs, we can potentially reduce TBI-associated dementia in this population,” researchers wrote. TBIs occur when a person either whacks their head or is violently jerked by whiplash, causing the brain to hit the inside of the skull and sustain damage, researchers said in background notes. More than 50% of TBIs in older adults result from falls, researchers said. For the new study, researchers analyzed data on more than 260,000 people 65 and older living in Ontario, Canada, comparing the health outcomes of those who’d sustained a TBI against those who hadn’t. The data ran between April 2004 and March 2020. New cases of TBI were associated with a 69% increased risk of dementia developing within five years, and a…  read on >  read on >

Fighting cancer can leave patients tired to their bones and researchers now think they might know why. Inflammation was linked to fatigue among nearly 200 women with early-stage breast cancer during and after treatment with radiation or chemotherapy, researchers reported Oct. 6 in the journal Cancer. Specifically, inflammation appeared to promote general and physical fatigue among the women, but not emotional or mental fatigue. “Our findings indicate that inflammation plays a role in some aspects of cancer-related fatigue, but not others, and that these effects persist well after treatment,” lead researcher Julienne Bower, chair of health psychology at UCLA, said in a news release. “This is critical for developing targeted treatments for this common and disabling symptom,” she added. For the study, researchers studied blood levels of proteins associated with inflammation in 192 women diagnosed with early-stage breast cancer. Blood tests were done prior to treatment, and for 18 months following treatment. The women also reported on their different types of fatigue: General, physical, mental and emotional. Higher levels of pro-inflammatory cytokines were linked to greater general fatigue, which involves feelings of tiredness and exhaustion, researchers found.  This association held even after accounting for other factors like cancer stage, age, race, education and body mass index (BMI). BMI is an estimate of body fat based on height and weight. These inflammation-controlling biochemicals also were tied…  read on >  read on >

Fighting cancer can leave patients tired to their bones and researchers now think they might know why. Inflammation was linked to fatigue among nearly 200 women with early-stage breast cancer during and after treatment with radiation or chemotherapy, researchers reported Oct. 6 in the journal Cancer. Specifically, inflammation appeared to promote general and physical fatigue among the women, but not emotional or mental fatigue. “Our findings indicate that inflammation plays a role in some aspects of cancer-related fatigue, but not others, and that these effects persist well after treatment,” lead researcher Julienne Bower, chair of health psychology at UCLA, said in a news release. “This is critical for developing targeted treatments for this common and disabling symptom,” she added. For the study, researchers studied blood levels of proteins associated with inflammation in 192 women diagnosed with early-stage breast cancer. Blood tests were done prior to treatment, and for 18 months following treatment. The women also reported on their different types of fatigue: General, physical, mental and emotional. Higher levels of pro-inflammatory cytokines were linked to greater general fatigue, which involves feelings of tiredness and exhaustion, researchers found.  This association held even after accounting for other factors like cancer stage, age, race, education and body mass index (BMI). BMI is an estimate of body fat based on height and weight. These inflammation-controlling biochemicals also were tied…  read on >  read on >

Inhalers provide breath-saving relief to people with asthma and COPD, but ultimately are undoing those good works by promoting climate change, a new study says. Inhalers generated more than 2 million metric tons of carbon emissions annually over the past decade, researchers reported Oct. 6 in the Journal of the American Medical Association. By researchers’ estimates, that’s equal each year to the emissions from roughly 530,000 gas-powered cars. “Inhalers add to the growing carbon footprint of the U.S. health care system, putting many patients with chronic respiratory disease at risk,” lead researcher Dr. William Feldman, a pulmonologist and health services researcher at the David Geffen School of Medicine at UCLA, said in a news release. Prior studies have linked climate change to an increase in asthma triggers. For example, pollen counts are higher and pollen season longer as a result of global warming, according to an April study published in the journal The Laryngoscope. “Scaled across tens of millions of inhalers dispensed annually, these emissions drive global warming, exacerbating the very respiratory conditions inhalers are meant to relieve,” Dr. Alexander Rabin, a clinical associate professor of pulmonology at the University of Michigan, and co-authors wrote in an editorial accompanying the new study. For the new study, researchers analyzed emissions from the three types of inhalers approved for asthma or COPD from 2014 to 2024. The…  read on >  read on >

Costco shoppers will be able fill prescriptions for Ozempic and Wegovy — two of the most popular weight loss and diabetes drugs — at a discount. Novo Nordisk, the maker of both medications, announced Friday that the warehouse retailer will sell a four-week supply of the injections for $499 out of pocket at its more than 600 U.S. Costco pharmacies. The same price is already available on Novo Nordisk’s direct-to-consumer website, as well as at Walmart and CVS pharmacies. “We want to make sure we offer the real, authentic Wegovy and Ozempic where patients seek care,” David “Dave” Moore, president of Novo Nordisk U.S., told NBC News. “We know that Costco is a trusted brand.” The move is part of Novo Nordisk’s effort to expand legitimate access to its medications and compete with compounding pharmacies and medical spas that sell unapproved versions. Costco members with a valid prescription can pay the $499 self-pay price, while insurance coverage will vary by plan. Executive members and Costco credit card holders may also earn cash back through the retailer’s pharmacy rewards program. Ozempic and Wegovy are part of a class of drugs known as GLP-1 receptor agonists, which mimic a hormone that helps regulate blood sugar and appetite. Originally developed to treat diabetes, they’ve become popular for weight loss and have shown promise in lowering stroke and heart…  read on >  read on >

A recently approved injectable drug can significantly stall deteriorating health among people newly diagnosed with the most severe form of high blood pressure, a new study says. Sotatercept reduced patient’s risk of deterioration by 76% due to pulmonary hypertension, or high blood pressure in the heart-to-lung system, researchers reported recently in the New England Journal of Medicine. Patients treated with sotarecept within the first year after diagnosis proved more likely to maintain their exercise regimen, ward off worsening symptoms and avoid unplanned hospitalizations, results showed. “These results are incredibly promising for patients early in their journey with pulmonary arterial hypertension, which still has limited treatment options,” lead researcher Dr. Vallerie McLaughlin, a professor of cardiovascular medicine at University of Michigan Medical School, said in a news release. In fact, the clinical trial concluded early because results were so positive the research team felt they couldn’t ethically continue to allow randomly selected patients to keep taking placebo. The U.S. Food and Drug Administration (FDA) approved sotatercept in March 2024 for treatment of pulmonary hypertension, according to the drug’s maker Merck. The drug is sold under the brand name Winrevair. A biologic drug, sotatercept works by targeting proteins called activins. Elevated activin signaling can lead to thicker arteries in the lungs, which in turn makes the heart work harder to pump blood through them, researchers explained. For…  read on >  read on >

A recently approved injectable drug can significantly stall deteriorating health among people newly diagnosed with the most severe form of high blood pressure, a new study says. Sotatercept reduced patient’s risk of deterioration by 76% due to pulmonary hypertension, or high blood pressure in the heart-to-lung system, researchers reported recently in the New England Journal of Medicine. Patients treated with sotarecept within the first year after diagnosis proved more likely to maintain their exercise regimen, ward off worsening symptoms and avoid unplanned hospitalizations, results showed. “These results are incredibly promising for patients early in their journey with pulmonary arterial hypertension, which still has limited treatment options,” lead researcher Dr. Vallerie McLaughlin, a professor of cardiovascular medicine at University of Michigan Medical School, said in a news release. In fact, the clinical trial concluded early because results were so positive the research team felt they couldn’t ethically continue to allow randomly selected patients to keep taking placebo. The U.S. Food and Drug Administration (FDA) approved sotatercept in March 2024 for treatment of pulmonary hypertension, according to the drug’s maker Merck. The drug is sold under the brand name Winrevair. A biologic drug, sotatercept works by targeting proteins called activins. Elevated activin signaling can lead to thicker arteries in the lungs, which in turn makes the heart work harder to pump blood through them, researchers explained. For…  read on >  read on >

More than 2 in 5 drivers were driving while stoned when they died in car wrecks in a major Ohio county, a new study says. Coroner records show that nearly 42% of drivers who died in motor vehicle collisions during a six-year period tested positive for THC, researchers are to report Tuesday at a meeting of the American College of Surgeons in Chicago. The deceased drivers had an average THC level of 30.7 ng/mL — far above the 2 ng/mL to 5 ng/mL legal limit set by other states, researchers said. THC is the chemical in weed that produces intoxication. “I was surprised to see that level,” lead researcher Dr. Akpofure Ekeh, a professor of surgery at Wright State University in Dayton, Ohio, said in a news release. “An average level of 30.7 ng/mL generally means those people must have consumed marijuana at some time close to driving,” Ekeh said. “This isn’t about residual use; it’s about recent consumption.” For the study, researchers analyzed death records from Montgomery County, Ohio, where Dayton is located. Medical cannabis was approved in Ohio in 2016, and recreational use in 2023. The team focused on 246 drivers between January 2019 and September 2024 who were tested for THC following their fatal crash. Of those drivers, 103 tested positive for THC. These blood tests are typically drawn within hours of…  read on >  read on >