https://www.sciencedaily.com/news/health_medicine/sports_medicine/ Sports medicine. Read the latest research on competitive and recreational sports, including information on the occurrence and treatment of sports injuries. en-us Sat, 13 Jun 2026 10:54:15 EDT Sat, 13 Jun 2026 10:54:15 EDT 60 https://www.sciencedaily.com/images/scidaily-logo-rss.png https://www.sciencedaily.com/news/health_medicine/sports_medicine/ For more science news, visit ScienceDaily. https://www.sciencedaily.com/releases/2026/06/260612021604.htm A new treatment that blocks an aging-related protein restored lost cartilage in old mice and helped prevent arthritis after knee injuries. Human cartilage samples showed similar signs of regeneration, raising hopes for a future drug that could repair joints instead of replacing them. Fri, 12 Jun 2026 08:35:15 EDT https://www.sciencedaily.com/releases/2026/06/260612021604.htm https://www.sciencedaily.com/releases/2026/06/260611024609.htm Just 90–120 minutes of strength training a week may deliver some of the biggest long-term health rewards, according to a study tracking more than 147,000 people for 30 years. That amount was linked to lower risks of death overall, particularly from cardiovascular and neurological diseases. Combining strength workouts with aerobic exercise produced even stronger benefits. Fri, 12 Jun 2026 00:46:24 EDT https://www.sciencedaily.com/releases/2026/06/260611024609.htm https://www.sciencedaily.com/releases/2026/06/260604044302.htm A major review of nearly 8,000 participants found that collagen supplements can improve skin health and ease osteoarthritis symptoms, especially when taken consistently over longer periods. Researchers also found modest benefits for muscle and tendon health. But the results challenge claims that collagen enhances sports performance, as it showed little effect on recovery or post-workout soreness. Fri, 05 Jun 2026 01:13:11 EDT https://www.sciencedaily.com/releases/2026/06/260604044302.htm https://www.sciencedaily.com/releases/2026/05/260530004622.htm Losing weight may involve rewiring the gut and the brain at the same time. In a study of obese adults, an intermittent fasting-style diet led to significant weight loss, healthier metabolic markers, and notable shifts in gut bacteria. Brain scans also revealed changes in regions tied to appetite, cravings, and self-control. The results suggest the gut microbiome and brain may work together to influence weight-loss success. Sun, 31 May 2026 05:01:44 EDT https://www.sciencedaily.com/releases/2026/05/260530004622.htm https://www.sciencedaily.com/releases/2026/05/260528082459.htm Cambridge researchers created miniature brain-and-spinal-cord systems in the lab that can send signals and even trigger tiny muscle contractions. They discovered that human neurons gradually lose their ability to regrow after damage during development — but that ability can potentially be switched back on. The team identified a gene network controlling this process and found that an existing hormone drug dramatically boosted nerve fiber regrowth. Thu, 28 May 2026 22:55:05 EDT https://www.sciencedaily.com/releases/2026/05/260528082459.htm https://www.sciencedaily.com/releases/2026/05/260526233433.htm Scientists in Japan have created powerful new vitamin K-based compounds that may help the brain regenerate lost neurons — a breakthrough that could one day change how diseases like Alzheimer’s and Parkinson’s are treated. By combining vitamin K with components related to vitamin A, the researchers developed compounds that were about three times more effective at turning neural stem cells into neurons than natural vitamin K alone. Wed, 27 May 2026 00:02:46 EDT https://www.sciencedaily.com/releases/2026/05/260526233433.htm https://www.sciencedaily.com/releases/2026/05/260522031135.htm A surprisingly simple walking tweak may offer new hope for millions living with knee osteoarthritis. In a year-long clinical trial, researchers found that slightly changing the angle of a person’s foot while walking reduced knee pain as effectively as common medications — and even slowed cartilage damage inside the joint. Fri, 22 May 2026 07:07:58 EDT https://www.sciencedaily.com/releases/2026/05/260522031135.htm https://www.sciencedaily.com/releases/2026/05/260519003215.htm Scientists have discovered that a topical anti-aging drug called ABT-263 can dramatically improve wound healing in older skin. The treatment works by removing damaged “senescent” cells that accumulate with age and slow the body’s repair process. In aged mice, wounds healed much faster after treatment, while the drug also activated genes tied to collagen production and tissue regeneration. Tue, 19 May 2026 21:13:26 EDT https://www.sciencedaily.com/releases/2026/05/260519003215.htm https://www.sciencedaily.com/releases/2026/05/260519003103.htm A large European study revealed that a lower-calorie Mediterranean diet paired with exercise and coaching dramatically reduced the risk of type 2 diabetes. Participants who made these lifestyle changes were 31% less likely to develop the disease over six years. They also lost more weight and trimmed their waistlines compared to those following a standard Mediterranean diet alone. Tue, 19 May 2026 03:02:22 EDT https://www.sciencedaily.com/releases/2026/05/260519003103.htm https://www.sciencedaily.com/releases/2026/05/260518041432.htm People who lost significant weight while taking Ozempic, Wegovy, Mounjaro, or Saxenda had sharply lower risks of major obesity-related health problems, including sleep apnea and kidney disease. Those who gained weight instead faced higher risks — especially for heart failure — even though many patients discontinued the medications within a year. Tue, 19 May 2026 09:05:57 EDT https://www.sciencedaily.com/releases/2026/05/260518041432.htm https://www.sciencedaily.com/releases/2026/05/260515233346.htm Exercise may be training your brain just as much as your body. Researchers discovered that certain brain cells stay highly active even after a workout ends, and those lingering signals appear to help the body build endurance over time. In experiments with mice, blocking these brain cells prevented improvements in stamina, even when the animals still exercised normally. Sat, 16 May 2026 09:52:45 EDT https://www.sciencedaily.com/releases/2026/05/260515233346.htm https://www.sciencedaily.com/releases/2026/05/260515233331.htm For years, “yo-yo dieting” has been blamed for wrecking metabolism and causing lasting damage, but a major new review says the fear may be wildly overblown. After analyzing decades of studies in humans and animals, researchers found little convincing evidence that losing weight and regaining it actually causes long-term harm. While regaining weight can erase some health improvements, it doesn’t appear to make people worse off than before. Sun, 17 May 2026 02:02:13 EDT https://www.sciencedaily.com/releases/2026/05/260515233331.htm https://www.sciencedaily.com/releases/2026/05/260515002126.htm You may not need hours at the gym to boost your health after all. Researchers say just 30 minutes of high-intensity exercise per week — broken into tiny bursts of effort that leave you out of breath — can dramatically improve cardiovascular fitness, lower the risk of dozens of diseases, and even help protect the brain as we age. The key isn’t how long you exercise, but how hard you push yourself. Fri, 15 May 2026 00:21:26 EDT https://www.sciencedaily.com/releases/2026/05/260515002126.htm https://www.sciencedaily.com/releases/2026/05/260510234722.htm Staying strong may be one of the biggest secrets to living longer — especially for older women. A major study of more than 5,000 women found that simple signs of muscle strength, like a firm hand grip or the ability to quickly stand up from a chair, were strongly linked to lower risk of death over the next eight years. Mon, 11 May 2026 21:13:48 EDT https://www.sciencedaily.com/releases/2026/05/260510234722.htm https://www.sciencedaily.com/releases/2026/05/260510234655.htm A new international analysis suggests there may be a surprisingly simple secret to keeping weight off after dieting: walking about 8,500 steps a day. Researchers found that people who boosted their daily steps to around that level during a weight-loss program — and kept it up afterward — were far more successful at avoiding the frustrating cycle of regaining lost weight. The study highlights a major challenge in obesity treatment, since most people regain much of the weight they lose within a few years. Sun, 10 May 2026 23:46:55 EDT https://www.sciencedaily.com/releases/2026/05/260510234655.htm https://www.sciencedaily.com/releases/2026/05/260510234654.htm A major new analysis suggests semaglutide (Ozempic, Wegovy) works remarkably well in adults over 65, helping many lose substantial amounts of weight while improving heart and metabolic health. Participants taking the drug lost over 15% of their body weight on average — far more than those receiving placebo treatment. Many also moved out of obesity categories entirely and reached healthier weight levels. Mon, 11 May 2026 00:57:51 EDT https://www.sciencedaily.com/releases/2026/05/260510234654.htm https://www.sciencedaily.com/releases/2026/05/260508003123.htm A new study shows that listening to your own favorite workout music can dramatically boost endurance. Cyclists exercising with self-selected songs lasted nearly 20% longer than when riding in silence, yet they didn’t feel more exhausted at the end. Researchers say music may help people stay in the “pain zone” longer without increasing perceived strain. Sat, 09 May 2026 08:56:34 EDT https://www.sciencedaily.com/releases/2026/05/260508003123.htm https://www.sciencedaily.com/releases/2026/05/260506225235.htm Aging doesn’t just add fat—it redistributes it in risky ways, pushing more into the abdomen where it can harm health. Scientists found that testosterone plays a key role in this shift. In older women recovering from hip fractures, a testosterone gel combined with exercise helped prevent the usual rise in dangerous visceral fat. The result could point to a powerful new strategy for improving recovery and long-term health. Thu, 07 May 2026 05:25:59 EDT https://www.sciencedaily.com/releases/2026/05/260506225235.htm https://www.sciencedaily.com/releases/2026/05/260506225233.htm Some people taking Ozempic-like diabetes drugs may be getting dramatically better results for a surprising reason: why they overeat in the first place. A year-long study in Japan found that people who tend to eat because tempting food looks or smells irresistible were much more likely to lose weight and improve blood sugar levels on GLP-1 medications. But people who eat mainly in response to stress, sadness, or emotional struggles didn’t see the same long-term benefits. Thu, 07 May 2026 06:11:48 EDT https://www.sciencedaily.com/releases/2026/05/260506225233.htm https://www.sciencedaily.com/releases/2026/05/260505234603.htm A major 10-year clinical trial is turning one of the world’s most common knee surgeries on its head. Researchers found that trimming a damaged meniscus—a procedure long believed to relieve pain—offers no real benefit over placebo surgery. Even more surprising, patients who had the operation actually fared worse over time, with more symptoms, poorer function, faster progression of osteoarthritis, and a greater likelihood of needing additional surgery. Wed, 06 May 2026 01:54:27 EDT https://www.sciencedaily.com/releases/2026/05/260505234603.htm https://www.sciencedaily.com/releases/2026/05/260504211842.htm Scientists have developed a breakthrough injectable biomaterial that travels through the bloodstream to repair damaged tissue from within, reducing inflammation and jumpstarting healing. In animal studies, it successfully treated heart attack damage and even showed promise for conditions like traumatic brain injury and pulmonary hypertension. Unlike earlier approaches that required direct injection into the heart, this new therapy can be delivered intravenously, allowing it to spread evenly and act quickly. Tue, 05 May 2026 14:20:47 EDT https://www.sciencedaily.com/releases/2026/05/260504211842.htm https://www.sciencedaily.com/releases/2026/05/260504211836.htm A new study suggests travel could be a surprisingly powerful anti-aging tool. By viewing tourism through the lens of entropy, researchers found that positive travel experiences may help the body stay balanced and resilient. Activities like exploring new places, staying active, and connecting with others can boost immunity, metabolism, and stress recovery. However, stressful or unsafe travel could reverse these benefits. Mon, 04 May 2026 22:42:07 EDT https://www.sciencedaily.com/releases/2026/05/260504211836.htm https://www.sciencedaily.com/releases/2026/05/260504154016.htm GLP-1 weight-loss drugs like Ozempic and Wegovy are often celebrated as game-changing solutions—but new research reveals a surprising social twist. People who lose weight using these medications may actually face more judgment than those who lose weight through diet and exercise—or even those who don’t lose weight at all. The stigma seems rooted in a perception that these drugs are an “easy way out,” creating a double bind where individuals are judged both for their weight and for how they choose to manage it. Tue, 05 May 2026 14:04:18 EDT https://www.sciencedaily.com/releases/2026/05/260504154016.htm https://www.sciencedaily.com/releases/2026/05/260504023828.htm Creatine might be famous in the gym, but its real story is far more interesting. Naturally produced in the body, it helps power cells by rapidly regenerating ATP—the fuel that keeps muscles, the brain, and even the heart running during intense activity. Supplementing with creatine can boost short bursts of physical performance and may even support memory, mood, and cognitive speed, especially in people with lower baseline levels. Mon, 04 May 2026 04:13:48 EDT https://www.sciencedaily.com/releases/2026/05/260504023828.htm https://www.sciencedaily.com/releases/2026/05/260501052832.htm Scientists have uncovered a surprising link between simple body movement and brain health: every time you tighten your abdominal muscles—even slightly—your brain may gently sway inside your skull. This subtle motion, triggered by pressure changes in connected blood vessels, appears to help circulate cerebrospinal fluid around the brain, potentially flushing out harmful waste. Fri, 01 May 2026 23:04:01 EDT https://www.sciencedaily.com/releases/2026/05/260501052832.htm https://www.sciencedaily.com/releases/2026/05/260501052830.htm Building muscle doesn’t have to mean exhausting workouts or soreness. Researchers found that slow, controlled “lowering” movements can boost strength more efficiently while requiring less effort. Even five minutes a day of simple exercises like chair squats or wall push-ups can make a real difference. It’s a smarter, easier way to get stronger—no gym required. Fri, 01 May 2026 10:07:35 EDT https://www.sciencedaily.com/releases/2026/05/260501052830.htm https://www.sciencedaily.com/releases/2026/04/260430032411.htm A major review of 217 trials shows that aerobic exercise is the most effective option for managing knee osteoarthritis. Activities like walking, cycling, and swimming outperformed other exercise types in reducing pain and improving movement. While alternatives like strength training and mind-body exercises help, they are best used alongside aerobic workouts. The findings also confirm that exercise is a safe and essential part of treatment. Thu, 30 Apr 2026 03:30:17 EDT https://www.sciencedaily.com/releases/2026/04/260430032411.htm https://www.sciencedaily.com/releases/2026/04/260426012317.htm Deep within the brain, scientists have uncovered a hidden “switch” that may decide whether pain fades away—or lingers for months or even years. Researchers found that a small, little-known region called the caudal granular insular cortex (CGIC) acts like a command center, telling the body to keep pain signals alive long after an injury has healed. In animal studies, shutting down this pathway not only prevented chronic pain from forming but could even erase it once it had taken hold. Mon, 27 Apr 2026 08:37:49 EDT https://www.sciencedaily.com/releases/2026/04/260426012317.htm https://www.sciencedaily.com/releases/2026/04/260426012305.htm Mixing up your workouts might be the real secret to a longer life. Long-term research tracking over 100,000 people for more than three decades suggests that doing a variety of physical activities—rather than just more of the same—can significantly lower the risk of death. Interestingly, the benefits don’t keep rising endlessly; they seem to level off after a certain point, hinting at a “sweet spot” of activity. Mon, 27 Apr 2026 01:32:16 EDT https://www.sciencedaily.com/releases/2026/04/260426012305.htm https://www.sciencedaily.com/releases/2026/04/260426012303.htm Fish oil has long been praised as brain-boosting, but new research suggests the story may be more complicated. Scientists found that in people with repeated mild head injuries, a key omega-3 fatty acid in fish oil—EPA—may actually interfere with the brain’s ability to repair itself. Instead of helping recovery, it appears to weaken blood vessel stability, disrupt healing signals, and even contribute to harmful protein buildup linked to cognitive decline. Sun, 26 Apr 2026 01:57:51 EDT https://www.sciencedaily.com/releases/2026/04/260426012303.htm https://www.sciencedaily.com/releases/2026/04/260423031540.htm A newly confirmed mass grave in ancient Jordan offers chilling insight into one of history’s first pandemics. Hundreds of plague victims were buried within days, revealing how the Plague of Justinian devastated entire communities. The findings show that people who usually lived spread out across regions were suddenly concentrated in death. It’s a powerful reminder that pandemics don’t just spread disease—they reshape how societies live and collapse. Thu, 23 Apr 2026 17:44:05 EDT https://www.sciencedaily.com/releases/2026/04/260423031540.htm https://www.sciencedaily.com/releases/2026/04/260423022002.htm A new minimally invasive procedure may help people keep weight off after stopping popular drugs like Ozempic and semaglutide—something most patients struggle with. In a clinical trial, those who underwent a technique called duodenal mucosal resurfacing regained far less weight compared to others after discontinuing the medication. The procedure works by renewing the lining of the upper small intestine, potentially “resetting” metabolism and preserving the benefits of weight loss. Thu, 23 Apr 2026 02:45:11 EDT https://www.sciencedaily.com/releases/2026/04/260423022002.htm https://www.sciencedaily.com/releases/2026/04/260417225020.htm Engineers at Northwestern University have taken a striking leap toward merging machines with the human brain by printing artificial neurons that can actually communicate with real ones. These flexible, low-cost devices generate lifelike electrical signals capable of activating living brain cells, a breakthrough demonstrated in mouse brain tissue. Sat, 18 Apr 2026 03:32:36 EDT https://www.sciencedaily.com/releases/2026/04/260417225020.htm https://www.sciencedaily.com/releases/2026/04/260414075637.htm Bread and other carbohydrate staples may be doing more than just filling plates—they could be quietly reshaping metabolism. In a surprising twist, researchers found that mice strongly preferred carbs like bread, rice, and wheat, abandoning their regular diet entirely. Even without eating more calories, they gained weight and body fat, not because they overate, but because their bodies burned less energy. Tue, 14 Apr 2026 09:21:12 EDT https://www.sciencedaily.com/releases/2026/04/260414075637.htm https://www.sciencedaily.com/releases/2026/04/260411022023.htm Putting on weight earlier in life may be more dangerous than previously thought. Researchers found that early adulthood obesity significantly raises the risk of premature death, especially from major diseases like heart disease and diabetes. The longer the body carries excess weight, the greater the damage appears to be. Interestingly, cancer risk in women didn’t follow this pattern, suggesting other biological factors are at play. Sat, 11 Apr 2026 09:54:18 EDT https://www.sciencedaily.com/releases/2026/04/260411022023.htm https://www.sciencedaily.com/releases/2026/04/260401071940.htm Hara hachi bu, a traditional Japanese practice of eating until you’re about 80% full, is gaining attention as a simple yet powerful way to improve health and reshape our relationship with food. Rather than promoting strict dieting, it encourages slowing down, tuning into hunger cues, and eating with awareness and gratitude. Research suggests it may help reduce calorie intake, support healthier food choices, and prevent long-term weight gain. Wed, 01 Apr 2026 07:19:40 EDT https://www.sciencedaily.com/releases/2026/04/260401071940.htm https://www.sciencedaily.com/releases/2026/03/260331001107.htm A surprising breakthrough suggests that a drug best known as Viagra could help treat a devastating childhood disease. Researchers found that sildenafil significantly improved symptoms in patients with Leigh syndrome—a rare and often fatal disorder that affects the brain and muscles. In a small study, patients showed stronger muscles, fewer seizures, and better recovery from dangerous metabolic crises, with some experiencing dramatic improvements in mobility and daily life. Tue, 31 Mar 2026 08:33:45 EDT https://www.sciencedaily.com/releases/2026/03/260331001107.htm https://www.sciencedaily.com/releases/2026/03/260330084511.htm A major analysis of nearly 10,000 patients shows that simple, non-drug treatments like knee braces, hydrotherapy, and exercise can significantly ease knee osteoarthritis symptoms. These approaches not only reduce pain and improve mobility, but also avoid the risks tied to common medications. The findings suggest that low-cost, accessible therapies could play a bigger role in how doctors treat arthritis in the future. Mon, 30 Mar 2026 08:52:03 EDT https://www.sciencedaily.com/releases/2026/03/260330084511.htm https://www.sciencedaily.com/releases/2026/03/260330001126.htm Just a few minutes of getting out of breath each day could dramatically cut your risk of major diseases—including heart disease, dementia, and diabetes. A large study of nearly 100,000 people found that it’s not just how much you move, but how intensely you move that matters. Short bursts of vigorous activity—like rushing for a bus or climbing stairs quickly—were linked to striking reductions in disease risk, especially for inflammatory conditions and brain health. Mon, 30 Mar 2026 01:07:46 EDT https://www.sciencedaily.com/releases/2026/03/260330001126.htm https://www.sciencedaily.com/releases/2026/03/260323005543.htm Postmenopausal women may have a powerful new edge in the battle against weight gain. A Mayo Clinic study found that those using menopausal hormone therapy while taking the obesity drug tirzepatide lost about 35% more weight than those on the drug alone. The findings hint at a surprising synergy between hormones and cutting-edge weight-loss medications, potentially opening the door to more effective, personalized treatments for millions of women facing increased cardiometabolic risks after menopause. Mon, 23 Mar 2026 21:06:37 EDT https://www.sciencedaily.com/releases/2026/03/260323005543.htm https://www.sciencedaily.com/releases/2026/03/260323005542.htm A new study suggests a widely used bone hormone could help relieve chronic back pain in an unexpected way. Instead of just strengthening bone, it appears to stop pain-sensing nerves from growing into damaged spinal areas. In animal models, this led to stronger spinal tissue and reduced pain sensitivity. The findings hint at a future treatment that tackles back pain at its biological roots. Mon, 23 Mar 2026 22:28:06 EDT https://www.sciencedaily.com/releases/2026/03/260323005542.htm https://www.sciencedaily.com/releases/2026/03/260319044648.htm Stopping popular weight-loss injections like Ozempic or Mounjaro might not trigger the dramatic rebound many fear. A large real-world study of nearly 8,000 patients found that most people who discontinue these drugs manage to keep the weight off—or even continue losing—by restarting treatment, switching medications, or adopting lifestyle changes. While earlier clinical trials suggested rapid weight regain, this new evidence paints a more hopeful picture. Thu, 19 Mar 2026 23:08:04 EDT https://www.sciencedaily.com/releases/2026/03/260319044648.htm https://www.sciencedaily.com/releases/2026/03/260318033134.htm A risky but often lifesaving surgery that removes damaged parts of the small intestine can leave patients facing a new threat: serious liver damage with no available treatment. Now, scientists have developed a promising compound that works directly in the gut to shield the liver and improve how the body absorbs nutrients. In mouse studies, the drug boosted weight gain, reduced harmful liver scarring, and avoided side effects by staying confined to the intestines. Wed, 18 Mar 2026 03:31:34 EDT https://www.sciencedaily.com/releases/2026/03/260318033134.htm https://www.sciencedaily.com/releases/2026/03/260318033129.htm For years, people with prediabetes have been told the same thing: lose weight or risk developing diabetes. But new research flips that idea on its head, showing that blood sugar can return to normal even without shedding pounds. The key isn’t just how much fat you carry—it’s where it’s stored. Harmful fat deep in the abdomen fuels inflammation and disrupts insulin, while fat under the skin can actually support healthier metabolism. Wed, 18 Mar 2026 03:31:29 EDT https://www.sciencedaily.com/releases/2026/03/260318033129.htm https://www.sciencedaily.com/releases/2026/03/260317064444.htm Early life stress may set the stage for long-term digestive problems by disrupting the gut-brain connection. Studies in both mice and thousands of children found links to symptoms like pain, constipation, and IBS. Scientists discovered that different biological pathways control different gut issues, hinting at more personalized treatments in the future. The research also highlights how a child’s early environment can have lasting physical effects—not just emotional ones. Tue, 17 Mar 2026 22:08:54 EDT https://www.sciencedaily.com/releases/2026/03/260317064444.htm https://www.sciencedaily.com/releases/2026/03/260307213228.htm A Yale study found that lowering parent stress can help protect young children from obesity. When parents practiced mindfulness and stress-management skills, their kids showed healthier eating patterns and avoided the weight gain seen in families that only focused on diet and exercise. Sun, 08 Mar 2026 20:28:48 EDT https://www.sciencedaily.com/releases/2026/03/260307213228.htm https://www.sciencedaily.com/releases/2026/03/260306145621.htm Researchers have discovered a new way to increase a key brain protein damaged in Rett syndrome, a rare genetic disorder that affects thousands of children worldwide. Early studies in mice and patient-derived cells show the approach can restore normal brain cell function, raising hopes for future therapies. Fri, 06 Mar 2026 21:18:09 EST https://www.sciencedaily.com/releases/2026/03/260306145621.htm https://www.sciencedaily.com/releases/2026/03/260304184215.htm A new experimental drug is showing remarkable promise for children with Dravet syndrome, a severe genetic form of epilepsy. In clinical trials, the treatment zorevunersen cut seizures by as much as 91% while also improving quality of life for many patients. The therapy works by boosting the function of a key gene involved in nerve cell signaling. Encouraging results have led researchers to launch a larger Phase 3 trial. Wed, 04 Mar 2026 21:14:30 EST https://www.sciencedaily.com/releases/2026/03/260304184215.htm https://www.sciencedaily.com/releases/2026/03/260303145725.htm Stiff knees and aching hips may seem like an inevitable part of aging, but experts say we’re getting osteoarthritis all wrong. Despite affecting nearly 600 million people worldwide — and potentially a billion by 2050 — the most powerful treatment isn’t surgery or medication. It’s exercise. Movement nourishes cartilage, strengthens muscles, reduces inflammation, and even reshapes the biological processes driving joint damage. Wed, 04 Mar 2026 16:35:02 EST https://www.sciencedaily.com/releases/2026/03/260303145725.htm https://www.sciencedaily.com/releases/2026/02/260225081208.htm A sweeping new analysis of the evidence suggests that exercise therapy — long promoted as a first-line treatment for osteoarthritis — may offer only small and short-lived relief, and in some cases might be no better than doing nothing at all. After reviewing dozens of clinical trials involving more than 13,000 participants, researchers found that benefits for knee osteoarthritis pain were minimal and tended to shrink in larger or longer-term studies. Wed, 25 Feb 2026 23:43:58 EST https://www.sciencedaily.com/releases/2026/02/260225081208.htm https://www.sciencedaily.com/releases/2026/02/260222092317.htm Training harder may do more than build muscle—it could transform your gut. Researchers found that intense workouts change the balance of bacteria and important compounds in athletes’ digestive systems. When training loads dropped, diet quality slipped and digestion slowed, triggering different microbial shifts. These hidden changes might influence performance in ways scientists are only beginning to understand. Mon, 23 Feb 2026 23:45:43 EST https://www.sciencedaily.com/releases/2026/02/260222092317.htm https://www.sciencedaily.com/releases/2026/02/260222092306.htm A UCLA study in mice reveals that aging muscle stem cells accumulate a protein that slows repair but boosts survival. This protein, NDRG1, acts like a brake, preventing cells from activating quickly after injury. When researchers blocked it in older mice, muscle healing sped up dramatically — but stem cells became less resilient over time. The work suggests aging may reflect a survival trade-off rather than straightforward decline. Mon, 23 Feb 2026 23:02:05 EST https://www.sciencedaily.com/releases/2026/02/260222092306.htm https://www.sciencedaily.com/releases/2026/02/260221060946.htm Running extreme distances may strain more than just muscles and joints. New research suggests ultramarathons can alter red blood cells in ways that make them less flexible and more prone to breakdown, potentially interfering with how they deliver oxygen throughout the body. Scientists found signs of both mechanical stress from intense blood flow and molecular damage linked to inflammation and oxidative stress. Sat, 21 Feb 2026 07:59:29 EST https://www.sciencedaily.com/releases/2026/02/260221060946.htm https://www.sciencedaily.com/releases/2026/02/260216044003.htm Researchers have built a realistic human mini spinal cord in the lab and used it to simulate traumatic injury. The model reproduced key damage seen in real spinal cord injuries, including inflammation and scar formation. After treatment with fast moving “dancing molecules,” nerve fibers began growing again and scar tissue shrank. The results suggest the therapy could eventually help repair spinal cord damage. Mon, 16 Feb 2026 07:41:25 EST https://www.sciencedaily.com/releases/2026/02/260216044003.htm https://www.sciencedaily.com/releases/2026/02/260212234218.htm Scientists at Cedars-Sinai have uncovered a surprising repair system in the spinal cord that could open new doors for treating paralysis, stroke, and diseases like multiple sclerosis. They found that special support cells called astrocytes—located far from the actual injury—spring into action after damage. These “lesion-remote astrocytes” send out a protein signal, CCN1, that reprograms immune cells to efficiently clean up fatty nerve debris. Fri, 13 Feb 2026 08:47:43 EST https://www.sciencedaily.com/releases/2026/02/260212234218.htm https://www.sciencedaily.com/releases/2026/02/260212025620.htm A newly identified protein may hold the key to rejuvenating aging brain cells. Researchers found that boosting DMTF1 can restore the ability of neural stem cells to regenerate, even when age-related damage has set in. Without it, these cells struggle to renew and support memory and learning. The findings raise hopes for treatments that could slow or even reverse aspects of brain aging. Thu, 12 Feb 2026 09:42:41 EST https://www.sciencedaily.com/releases/2026/02/260212025620.htm https://www.sciencedaily.com/releases/2026/02/260212025618.htm A protein called HIF1 may be the missing link behind painful tendon injuries like jumper’s knee and tennis elbow. Researchers showed that high levels of HIF1 actually cause harmful changes that make tendons brittle and prone to pain. In experiments, turning the protein off protected tendons — even under heavy strain. Thu, 12 Feb 2026 23:29:13 EST https://www.sciencedaily.com/releases/2026/02/260212025618.htm https://www.sciencedaily.com/releases/2026/02/260212023028.htm As cash transfer programs expand across the United States, critics often warn that giving people money could spark reckless behavior, leading to injuries or even deaths. But a sweeping 11-year analysis of Alaska’s long-running Permanent Fund Dividend program tells a different story. Researchers examined statewide hospital records and death data and found no increase in traumatic injuries or unnatural deaths after annual payments were distributed. Mon, 16 Feb 2026 21:29:23 EST https://www.sciencedaily.com/releases/2026/02/260212023028.htm https://www.sciencedaily.com/releases/2026/02/260211073043.htm Swapping just an hour of TV a day for something more active could significantly lower the risk of developing major depression—especially in middle age. A large Dutch study tracking more than 65,000 adults over four years found that replacing 60 minutes of TV with other activities cut depression risk by 11% overall, and by nearly 19% in middle-aged adults. The more time people reallocated—up to two hours—the greater the benefit, with risk dropping as much as 43% in midlife. Thu, 12 Feb 2026 02:08:23 EST https://www.sciencedaily.com/releases/2026/02/260211073043.htm https://www.sciencedaily.com/releases/2026/02/260211073033.htm Three major reviews commissioned by the World Health Organization find that GLP-1 drugs including tirzepatide (sold as Mounjaro and Zepbound), semaglutide (Ozempic and Wegovy), and liraglutide (Victoza and Saxenda) can lead to substantial weight loss in people with obesity. But while the results are impressive, researchers caution that most trials were funded by drugmakers, long term safety data are still limited, and side effects such as nausea are common. Wed, 11 Feb 2026 10:01:13 EST https://www.sciencedaily.com/releases/2026/02/260211073033.htm