https://www.sciencedaily.com/news/health_medicine/copd/ Latest research news on COPD, including chronic bronchitis, chronic obstructive airway disease, chronic obstructive lung disease and emphysema. en-us Tue, 21 Apr 2026 00:07:28 EDT Tue, 21 Apr 2026 00:07:28 EDT 60 https://www.sciencedaily.com/images/scidaily-logo-rss.png https://www.sciencedaily.com/news/health_medicine/copd/ For more science news, visit ScienceDaily. https://www.sciencedaily.com/releases/2026/04/260403002027.htm A new study reveals that aging lungs may play a major role in why flu and COVID can become so dangerous for older adults. Researchers found that certain lung cells can trigger an exaggerated immune response, creating clusters of inflammatory cells that end up damaging lung tissue instead of protecting it. In experiments, activating this aging-related signal in young mice caused their lungs to behave like older ones, leading to severe illness. Fri, 03 Apr 2026 00:20:27 EDT https://www.sciencedaily.com/releases/2026/04/260403002027.htm https://www.sciencedaily.com/releases/2026/03/260317064507.htm A critically ill 33-year-old man survived an almost unimaginable scenario—living for 48 hours without lungs—thanks to a groundbreaking surgical approach. After a severe flu-triggered infection destroyed his lungs and caused multiple organ failure, doctors removed both lungs entirely to stop the spread of infection. In their place, they used a specially engineered “artificial lung” system to oxygenate his blood and keep his body functioning while he stabilized. Wed, 18 Mar 2026 04:15:21 EDT https://www.sciencedaily.com/releases/2026/03/260317064507.htm https://www.sciencedaily.com/releases/2026/03/260315004403.htm Scientists at MIT have discovered that a little-known protein called intelectin-2 plays a powerful double role in defending the gut. The protein strengthens the mucus layer that lines the gastrointestinal tract while also trapping and disabling harmful bacteria that try to break through. By binding to sugars on both mucus molecules and bacterial surfaces, intelectin-2 forms a protective barrier and can even destroy microbes, including some that resist antibiotics. Mon, 16 Mar 2026 00:05:04 EDT https://www.sciencedaily.com/releases/2026/03/260315004403.htm https://www.sciencedaily.com/releases/2026/03/260313055130.htm A severe case of COVID-19 or influenza could increase the risk of lung cancer later on, according to new research. Scientists discovered that serious viral infections can alter immune cells in the lungs, leaving behind chronic inflammation that may help tumors develop months or years later. The increased risk was seen mainly after severe infections that required hospitalization. Vaccination, however, appears to prevent the dangerous lung changes. Fri, 13 Mar 2026 05:56:17 EDT https://www.sciencedaily.com/releases/2026/03/260313055130.htm https://www.sciencedaily.com/releases/2026/02/260221060952.htm Living at high altitude appears to protect against diabetes, and scientists have finally discovered the reason. When oxygen levels drop, red blood cells switch into a new metabolic mode and absorb large amounts of glucose from the blood. This helps the body cope with thin air while also reducing blood sugar levels. A drug that recreates this effect reversed diabetes in mice, hinting at a powerful new treatment strategy. Sat, 21 Feb 2026 08:43:47 EST https://www.sciencedaily.com/releases/2026/02/260221060952.htm https://www.sciencedaily.com/releases/2026/02/260221000255.htm Chronic wounds often spiral out of control because oxygen can’t reach the deepest layers of injured tissue. A new gel developed at UC Riverside delivers a continuous flow of oxygen right where it’s needed most, using a tiny battery-powered system. In high-risk mice, wounds healed in weeks instead of worsening. The innovation could dramatically reduce amputations—and may even open doors for lab-grown organs. Sun, 22 Feb 2026 08:14:18 EST https://www.sciencedaily.com/releases/2026/02/260221000255.htm https://www.sciencedaily.com/releases/2026/02/260219040745.htm A newly discovered bacterial duo may be the hidden cause of chronic constipation. The two microbes break down the colon’s protective mucus layer, leaving stool dry and hard — a problem traditional laxatives don’t fix. Parkinson’s patients, who often struggle with constipation years before tremors appear, have higher levels of these bacteria. Blocking the bacteria’s mucus-destroying enzyme prevented constipation in mice, hinting at a new treatment strategy. Thu, 19 Feb 2026 08:46:05 EST https://www.sciencedaily.com/releases/2026/02/260219040745.htm https://www.sciencedaily.com/releases/2026/01/260122074702.htm Scientists found that nasal cells act as a first line of defense against the common cold, working together to block rhinovirus soon after infection. A fast antiviral response can stop the virus before symptoms appear. If that response is weakened or delayed, the virus spreads and causes inflammation and breathing problems. The study highlights why the body’s reaction matters more than the virus alone. Thu, 22 Jan 2026 08:15:47 EST https://www.sciencedaily.com/releases/2026/01/260122074702.htm https://www.sciencedaily.com/releases/2026/01/260120000333.htm Scientists at Stanford Medicine have discovered a treatment that can reverse cartilage loss in aging joints and even prevent arthritis after knee injuries. By blocking a protein linked to aging, the therapy restored healthy, shock-absorbing cartilage in old mice and injured joints, dramatically improving movement and joint function. Human cartilage samples from knee replacement surgeries also began regenerating when exposed to the treatment. Tue, 20 Jan 2026 23:55:09 EST https://www.sciencedaily.com/releases/2026/01/260120000333.htm https://www.sciencedaily.com/releases/2025/11/251126095026.htm The study reveals that widely used heart-attack risk calculators fail to flag nearly half of those who will soon experience a cardiac event. Even the newer PREVENT model misclassifies many patients as low-risk. Since most people develop symptoms only within 48 hours of their heart attack, current screening offers little time for intervention. Researchers say earlier detection with imaging could dramatically improve prevention. Thu, 27 Nov 2025 08:07:49 EST https://www.sciencedaily.com/releases/2025/11/251126095026.htm https://www.sciencedaily.com/releases/2025/11/251110021041.htm Scientists have discovered that most chronic fatigue patients experience dysfunctional breathing, which may worsen their symptoms. The likely culprit is dysautonomia, a disruption in how the body controls blood vessels and muscles. Breathing retraining, yoga, or biofeedback could help restore proper breathing rhythm and ease fatigue. The findings open a promising new path for managing this long-misunderstood illness. Mon, 10 Nov 2025 05:47:39 EST https://www.sciencedaily.com/releases/2025/11/251110021041.htm https://www.sciencedaily.com/releases/2025/09/250919085248.htm Diabetes affects millions of Americans, and many don’t even realize they have it. Instead of relying on costly and time-consuming lab tests, scientists at Penn State have developed a breath sensor that can detect diabetes and prediabetes within minutes by measuring acetone levels. Built from laser-induced graphene and zinc oxide, the sensor is lightweight, inexpensive, and designed to overcome challenges like humidity in exhaled breath. Sat, 20 Sep 2025 21:01:37 EDT https://www.sciencedaily.com/releases/2025/09/250919085248.htm https://www.sciencedaily.com/releases/2025/07/250714052110.htm Zebrafish can regenerate sensory hair cells that humans permanently lose, like those in the inner ear linked to hearing and balance. New research reveals two specific genes that control how different supporting cells in zebrafish divide and regenerate, offering clues to how mammals might someday tap into similar regenerative powers. Mon, 14 Jul 2025 09:59:00 EDT https://www.sciencedaily.com/releases/2025/07/250714052110.htm https://www.sciencedaily.com/releases/2025/06/250610230533.htm Scientists have discovered that people with COPD have lung cells that contain over three times as much soot-like carbon as those of smokers without the disease. These overloaded cells are larger and trigger more inflammation, suggesting that pollution and carbon buildup not just smoking may drive the disease. Tue, 10 Jun 2025 23:05:33 EDT https://www.sciencedaily.com/releases/2025/06/250610230533.htm https://www.sciencedaily.com/releases/2025/06/250608071752.htm Genetic research in Sweden has unveiled three new gene variants that dramatically increase the risk of venous blood clots, sometimes by up to 180%. These discoveries build on existing knowledge of Factor V Leiden and suggest that genetics plays a bigger role than previously thought, especially for clots in the legs that can lead to life-threatening pulmonary embolisms. Sun, 08 Jun 2025 07:17:52 EDT https://www.sciencedaily.com/releases/2025/06/250608071752.htm https://www.sciencedaily.com/releases/2025/05/250521124120.htm With its fascinating ability to regrow entire limbs and internal organs, the Mexican axolotl is the ideal model for studying regeneration. Scientists have now found a factor that tells cells which part of the arm to regenerate -- and used it to reprogram the identity of cells as they develop. This breakthrough for the regeneration research field has implications for tissue engineering, including in human tissues. Wed, 21 May 2025 12:41:20 EDT https://www.sciencedaily.com/releases/2025/05/250521124120.htm https://www.sciencedaily.com/releases/2025/05/250515191137.htm A study has shown how lung capacity evolves from childhood to old age. Until now, it was thought that lung function increased until it peaked at around 20-25 years of age, after which it stabilized. It was also thought that in later adulthood, lung function begins to decline as the lungs age. However, this model was based on studies that did not cover the whole life course. Thu, 15 May 2025 19:11:37 EDT https://www.sciencedaily.com/releases/2025/05/250515191137.htm https://www.sciencedaily.com/releases/2025/05/250515132119.htm Palliative care is specialized medical care focused on easing symptoms, addressing psychological and spiritual needs, and helping patients and caregivers make critical decisions aligned with their personal beliefs and values. Thu, 15 May 2025 13:21:19 EDT https://www.sciencedaily.com/releases/2025/05/250515132119.htm https://www.sciencedaily.com/releases/2025/05/250507170533.htm Obstructive sleep apnea, a condition that causes lower oxygen levels during sleep, is linked to degeneration of brain regions associated with memory through damage to the brain's small blood vessels, according to a new study. The study found the brain changes were strongly associated with the severity of drops in oxygen levels during rapid eye movement (REM) sleep. The study does not prove that sleep apnea causes this degeneration; it only shows an association. Wed, 07 May 2025 17:05:33 EDT https://www.sciencedaily.com/releases/2025/05/250507170533.htm https://www.sciencedaily.com/releases/2025/04/250430142010.htm Researchers have developed a novel rat model that closely replicates the pathological features and physiological changes associated with human chronic obstructive pulmonary disease (COPD)-associated cor pulmonale. This model exhibits key characteristics, including chronic lung inflammation, pulmonary hypertension, and right ventricular hypertrophy. The new study details the potential for the model to unravel the complex interactions between lung and heart pathology and improve patient outcomes. Wed, 30 Apr 2025 14:20:10 EDT https://www.sciencedaily.com/releases/2025/04/250430142010.htm https://www.sciencedaily.com/releases/2025/04/250430141853.htm Results of a large, global clinical trial spanning five continents with over 1,700 patients with bronchiectasis has demonstrated benefits of an investigational, once-a-day pill called brenso catib as a therapy for the chronic lung condition. It may soon become the first-ever FDA-approved treatment for bronchiectasis. Wed, 30 Apr 2025 14:18:53 EDT https://www.sciencedaily.com/releases/2025/04/250430141853.htm https://www.sciencedaily.com/releases/2025/04/250417144930.htm A clinical trial conducted in a neonatal intensive care unit has identified a new treatment protocol to improve lung growth and function among preterm infants. Thu, 17 Apr 2025 14:49:30 EDT https://www.sciencedaily.com/releases/2025/04/250417144930.htm https://www.sciencedaily.com/releases/2025/04/250409154631.htm This handheld device is the first that can detect tuberculosis in saliva, in addition to blood and sputum samples, an important breakthrough for testing children and HIV patients, who struggle to produce sputum. The device was found to deliver rapid, accurate results in under an hour, offering a cost-effective and accessible solution for diagnosing TB in resource-limited areas. Wed, 09 Apr 2025 15:46:31 EDT https://www.sciencedaily.com/releases/2025/04/250409154631.htm https://www.sciencedaily.com/releases/2025/04/250404201413.htm New research could aid in improving whooping cough vaccines to once again push this disease toward eradication by targeting two key weaknesses in the infection. Fri, 04 Apr 2025 20:14:13 EDT https://www.sciencedaily.com/releases/2025/04/250404201413.htm https://www.sciencedaily.com/releases/2025/04/250404122634.htm The Xpert MTB/Ultra molecular diagnostic test for stool samples, until now recommended only for children, could be established as an additional test for diagnosing tuberculosis in adults living with HIV. Fri, 04 Apr 2025 12:26:34 EDT https://www.sciencedaily.com/releases/2025/04/250404122634.htm https://www.sciencedaily.com/releases/2025/04/250402123041.htm Researchers have successfully developed a novel drug to restore vision. The treatment method restores vision through retinal nerve regeneration. Wed, 02 Apr 2025 12:30:41 EDT https://www.sciencedaily.com/releases/2025/04/250402123041.htm https://www.sciencedaily.com/releases/2025/03/250331122139.htm A recent study finds most critically injured patients can recover with less supplemental oxygen than has previously been suggested. Mon, 31 Mar 2025 12:21:39 EDT https://www.sciencedaily.com/releases/2025/03/250331122139.htm https://www.sciencedaily.com/releases/2025/03/250325114915.htm Researchers have found a potential new way to slow the progression of lung fibrosis and other fibrotic diseases by inhibiting the expression or function of Piezo2, a receptor that senses mechanical forces in tissues including stress, strain, and stiffness. The new study sheds light on the underlying mechanisms of pulmonary fibrotic diseases and identifies potential new targets and options for therapy to improve patients' outcomes. Tue, 25 Mar 2025 11:49:15 EDT https://www.sciencedaily.com/releases/2025/03/250325114915.htm https://www.sciencedaily.com/releases/2025/03/250320145457.htm Mammograms, with the help of artificial intelligence (AI) models, may reveal much more than cancer, according to a new study. The findings highlight how these important cancer screening tools can also be used to assess the amount of calcium buildup in the arteries within breast tissue -- an indicator of cardiovascular health. Thu, 20 Mar 2025 14:54:57 EDT https://www.sciencedaily.com/releases/2025/03/250320145457.htm https://www.sciencedaily.com/releases/2025/03/250318204113.htm A new study has discovered what researchers say is the first drug to fully reproduce the effects of physical stroke rehabilitation in model mice, following from human studies. Tue, 18 Mar 2025 20:41:13 EDT https://www.sciencedaily.com/releases/2025/03/250318204113.htm https://www.sciencedaily.com/releases/2025/03/250317163744.htm In a recent, cross-institutional study partially funded by the National Institutes of Health, researchers report that healthy human airways are at higher risk for dehydration and inflammation when exposed to dry air, an occurrence expected to increase due to global warming. Inflammation in human airways is associated with such conditions as asthma, allergic rhinitis and chronic cough. Mon, 17 Mar 2025 16:37:44 EDT https://www.sciencedaily.com/releases/2025/03/250317163744.htm https://www.sciencedaily.com/releases/2025/03/250312145730.htm Scientists have developed an approach that combines rehabilitation robotics with spinal cord stimulation to restore movement in people with spinal cord injuries. The technology enhances rehabilitation and enables activities like cycling and walking outdoors. Wed, 12 Mar 2025 14:57:30 EDT https://www.sciencedaily.com/releases/2025/03/250312145730.htm https://www.sciencedaily.com/releases/2025/03/250312134629.htm A lung function test used to help diagnose asthma works better in the morning, becoming less reliable throughout the day, researchers have found. Using real world data from 1,600 patients, available through a database created for speeding up research and innovation, the team also found that its reliability differs significantly in winter compared to autumn. Wed, 12 Mar 2025 13:46:29 EDT https://www.sciencedaily.com/releases/2025/03/250312134629.htm https://www.sciencedaily.com/releases/2025/02/250227212911.htm Red blood cells carry oxygen from the lungs to every other organ, and blood-forming stem cells must make about 200 billion new red blood cells each day to keep the oxygen flowing. For many years, scientists assumed that blood production took place in the bone marrow. But now, researchers are showing it's also happening in the lungs. Thu, 27 Feb 2025 21:29:11 EST https://www.sciencedaily.com/releases/2025/02/250227212911.htm https://www.sciencedaily.com/releases/2025/02/250219225212.htm A discovery offers new hope in the battle against pulmonary fibrosis, a debilitating lung condition that progressively makes it harder for patients to breathe. Scientists have pinpointed proteins in immune cells that, when blocked, could significantly reduce lung tissue scarring. Wed, 19 Feb 2025 22:52:12 EST https://www.sciencedaily.com/releases/2025/02/250219225212.htm https://www.sciencedaily.com/releases/2025/02/250217205944.htm Targets for universal access, national roadmaps and more affordable and accessible care are vital to help fill the medical oxygen gap affecting more than half of the world's population, according to a new global report. Mon, 17 Feb 2025 20:59:44 EST https://www.sciencedaily.com/releases/2025/02/250217205944.htm https://www.sciencedaily.com/releases/2025/02/250206152318.htm Despite new medication, cystic fibrosis often leads to permanent lung damage. Researchers have discovered that the disease causes changes in the immune system early in life, presumably even in newborns. These changes lead to frequent inflammation and are not affected by drugs targeting the altered mucus production. Thu, 06 Feb 2025 15:23:18 EST https://www.sciencedaily.com/releases/2025/02/250206152318.htm https://www.sciencedaily.com/releases/2025/02/250203142148.htm A multi-institutional study has identified one of the allergens responsible for eosinophilic esophagitis (EoE), an inflammatory disease of the esophagus. This is the first time one of the allergens that causes EoE has been identified at a molecular level. Mon, 03 Feb 2025 14:21:48 EST https://www.sciencedaily.com/releases/2025/02/250203142148.htm https://www.sciencedaily.com/releases/2025/01/250131110309.htm A microbe found in the lower part of the gut that is associated with good health has been comprehensively analyzed and found to have a focused diet breaking down sugars locked away in mucus, according to a new study. Fri, 31 Jan 2025 11:03:09 EST https://www.sciencedaily.com/releases/2025/01/250131110309.htm https://www.sciencedaily.com/releases/2025/01/250130161712.htm By integrating 30 minutes a day of progressive walking exercise into standard stroke rehabilitation (30 to 60 minutes of physical therapy five days a week) stroke patients had a measurable improved quality of life and mobility at hospital discharge compared to a control group. Thu, 30 Jan 2025 16:17:12 EST https://www.sciencedaily.com/releases/2025/01/250130161712.htm https://www.sciencedaily.com/releases/2025/01/250122130026.htm Inductively coupled plasma mass spectrometry (ICP-MS) is prominently used for analyzing elemental composition in individual cells. However, the conventional sample introduction system of ICP-MS causes damage to large mammalian cells. Now, researchers suggest an efficient method of introducing mammalian cells using a microdroplet generator that maintains the cell's structure without compromising elemental composition. These findings can open new avenues for the diagnosis and prognosis of diseases. Wed, 22 Jan 2025 13:00:26 EST https://www.sciencedaily.com/releases/2025/01/250122130026.htm https://www.sciencedaily.com/releases/2025/01/250101132043.htm Researchers have come up with a new way to identify more infectious variants of viruses or bacteria that start spreading in humans -- including those causing flu, COVID, whooping cough and tuberculosis. Wed, 01 Jan 2025 13:20:43 EST https://www.sciencedaily.com/releases/2025/01/250101132043.htm https://www.sciencedaily.com/releases/2024/12/241225145525.htm A new method of scanning lungs is able to show in real time how air moves in and out of the lungs as people take a breath in patients with asthma, chronic obstructive pulmonary disease (COPD), and patients who have received a lung transplant. It enables experts to see the functioning of transplanted lungs and could enable medics to identify sooner any decline in lung function. Wed, 25 Dec 2024 14:55:25 EST https://www.sciencedaily.com/releases/2024/12/241225145525.htm https://www.sciencedaily.com/releases/2024/12/241218132354.htm A research team developed a system that automatically recommends the optimal rehabilitation program based on a simple test to check the severity of motor paralysis after a stroke. Wed, 18 Dec 2024 13:23:54 EST https://www.sciencedaily.com/releases/2024/12/241218132354.htm https://www.sciencedaily.com/releases/2024/12/241210115219.htm Researchers found that endothelial cells lining the veins in lungs contribute to repair of blood vessels after lung injury. Tue, 10 Dec 2024 11:52:19 EST https://www.sciencedaily.com/releases/2024/12/241210115219.htm https://www.sciencedaily.com/releases/2024/11/241127191934.htm A recent trial finds an injection given during some asthma and COPD attacks is more effective than the current treatment of steroid tablets, reducing the need for further treatment by 30%. Wed, 27 Nov 2024 19:19:34 EST https://www.sciencedaily.com/releases/2024/11/241127191934.htm https://www.sciencedaily.com/releases/2024/11/241127004159.htm In patients with long COVID, lower pulmonary gas exchange may be associated with impaired cognitive function, according to a new study. Wed, 27 Nov 2024 00:41:59 EST https://www.sciencedaily.com/releases/2024/11/241127004159.htm https://www.sciencedaily.com/releases/2024/11/241120122322.htm A new study shows that a form of vitamin B3 can reduce lung inflammation in COPD patients. The researchers hope it will pave the way for new treatment options. Wed, 20 Nov 2024 12:23:22 EST https://www.sciencedaily.com/releases/2024/11/241120122322.htm https://www.sciencedaily.com/releases/2024/11/241120122153.htm A re-engineered wearable ultrasound patch for continuous and noninvasive blood pressure monitoring has undergone comprehensive clinical validation on over 100 patients, marking a major milestone in wearable technology research. The soft, stretchy patch provides precise, real-time readings of blood pressure deep within the body. It could offer a simpler and more reliable alternative to current clinical methods. Wed, 20 Nov 2024 12:21:53 EST https://www.sciencedaily.com/releases/2024/11/241120122153.htm https://www.sciencedaily.com/releases/2024/11/241118170658.htm A new nasal whooping cough vaccine showed an ability to prevent both infection and transmission of the disease in mice. Current vaccines offer treatment but fail to halt transmission of the bacteria that cause the disease. Mon, 18 Nov 2024 17:06:58 EST https://www.sciencedaily.com/releases/2024/11/241118170658.htm https://www.sciencedaily.com/releases/2024/11/241107193213.htm Mechanical engineers have developed a system of artificial cilia capable of monitoring mucus conditions in human airways to better detect infection, airway obstruction, or the severity of diseases like Cystic Fibrosis (CF), Chronic Obstructive Pulmonary Diseases (COPD) and lung cancer. Thu, 07 Nov 2024 19:32:13 EST https://www.sciencedaily.com/releases/2024/11/241107193213.htm https://www.sciencedaily.com/releases/2024/11/241106132450.htm Exhaled breath contains chemical clues to what's going on inside the body, including diseases like lung cancer. And devising ways to sense these compounds could help doctors provide early diagnoses -- and improve patients' prospects. Researchers report developing ultrasensitive, nanoscale sensors that in small-scale tests distinguished a key change in the chemistry of the breath of people with lung cancer. Wed, 06 Nov 2024 13:24:50 EST https://www.sciencedaily.com/releases/2024/11/241106132450.htm https://www.sciencedaily.com/releases/2024/11/241101183403.htm Windblown dust from the shrinking Salton Sea harms the respiratory health of children living nearby, triggering asthma, coughing, wheezing and disrupted sleep, USC research shows. The problem is likely to intensify in a hotter climate, with evaporation exposing more and more of the lake bed, or playa, leading to more dust events. Fri, 01 Nov 2024 18:34:03 EDT https://www.sciencedaily.com/releases/2024/11/241101183403.htm https://www.sciencedaily.com/releases/2024/10/241025122645.htm A new study reveals that the notorious bacterial pathogen Pseudomonas aeruginosa must balance between effectively colonizing human airways and developing antibiotic tolerance to survive. Fri, 25 Oct 2024 12:26:45 EDT https://www.sciencedaily.com/releases/2024/10/241025122645.htm https://www.sciencedaily.com/releases/2024/10/241021123018.htm To understand how these large snakes can regenerate their intestines without intestinal crypts, scientists sequenced the RNA genes of pythons. By learning more about this process in reptiles, researchers hope to better inform other scientists working to improve the diagnosis and treatment of gastrointestinal diseases in humans, including diabetes, Crohn's disease, celiac disease, and cancer. Mon, 21 Oct 2024 12:30:18 EDT https://www.sciencedaily.com/releases/2024/10/241021123018.htm https://www.sciencedaily.com/releases/2024/09/240930122821.htm Researchers have developed a laser-based device that can measure blood flow noninvasively and differentiate stroke risk based on current physiological conditions. Mon, 30 Sep 2024 12:28:21 EDT https://www.sciencedaily.com/releases/2024/09/240930122821.htm https://www.sciencedaily.com/releases/2024/09/240926131936.htm Spontaneous injuries like the loss of a limb or damage to the spinal cord are impossible for humans to repair. Yet, some animals have an extraordinary capacity to regenerate after injury, a response that requires a precise sequence of cellular events. Now, new research has unveiled a critical timing factor -- specifically how long cells actively respond to injury -- involved in regulating regeneration. The approach not only sheds light on the evolutionary aspects of regeneration but also holds promise for developing novel therapeutic strategies in regenerative medicine. Thu, 26 Sep 2024 13:19:36 EDT https://www.sciencedaily.com/releases/2024/09/240926131936.htm https://www.sciencedaily.com/releases/2024/09/240912135846.htm Researchers have found that a history of repeated antibiotic use causes defects in the normally protective mucus barrier of the gut, due to antibiotic-driven alterations in the microbiota. In a further study, the researchers found a bacteria-independent mechanism through which antibiotics can damage the mucus barrier directly. Thu, 12 Sep 2024 13:58:46 EDT https://www.sciencedaily.com/releases/2024/09/240912135846.htm https://www.sciencedaily.com/releases/2024/09/240912135826.htm In a series of focus groups conducted in different areas of the United States, doctors and patients expressed openness to considering environmental factors when discussing treatment options. The findings suggest that educating physicians about the environmental costs of treatment -- and how those costs may be reduced while continuing to deliver excellent care -- can be a first step toward that goal. Thu, 12 Sep 2024 13:58:26 EDT https://www.sciencedaily.com/releases/2024/09/240912135826.htm https://www.sciencedaily.com/releases/2024/09/240912135648.htm There were no differences in quality of life, symptoms, hospital admissions or mortality between a group of patients with pulmonary disease and low oxygen levels in the blood that received oxygen therapy at home for 24 hours a day, and a group that received the same therapy for 15 hours a day, according to a new study. Thu, 12 Sep 2024 13:56:48 EDT https://www.sciencedaily.com/releases/2024/09/240912135648.htm