https://www.sciencedaily.com/news/health_medicine/dietary_supplements/ Dietary supplements and minerals. Which are important for your health? Read the latest medical research on vitamins, omega 3 fatty acids, minerals and other dietary supplements. en-us Thu, 14 May 2026 10:30:31 EDT Thu, 14 May 2026 10:30:31 EDT 60 https://www.sciencedaily.com/images/scidaily-logo-rss.png https://www.sciencedaily.com/news/health_medicine/dietary_supplements/ For more science news, visit ScienceDaily. https://www.sciencedaily.com/releases/2026/05/260512202345.htm A daily multivitamin may help slow biological aging, according to researchers studying older adults in a large clinical trial. After two years, participants taking multivitamins showed slower aging in several DNA-based “epigenetic clocks,” with the effect equal to about four months less biological aging. People who started out biologically older than their actual age appeared to benefit the most. The findings hint that a simple supplement could play a role in healthier aging. Thu, 14 May 2026 10:22:46 EDT https://www.sciencedaily.com/releases/2026/05/260512202345.htm https://www.sciencedaily.com/releases/2026/05/260512202325.htm UC Davis researchers created brand-new psychedelic-like compounds by shining UV light on amino acid-based molecules. These compounds activated key serotonin receptors tied to brain plasticity and mental health benefits, but surprisingly did not cause hallucination-like behavior in animal tests. Scientists say the discovery could lead to future treatments for depression, PTSD, and addiction without the intense psychedelic experience. Wed, 13 May 2026 21:07:03 EDT https://www.sciencedaily.com/releases/2026/05/260512202325.htm https://www.sciencedaily.com/releases/2026/05/260511213141.htm Scientists at McGill University have uncovered a hidden molecular “switch” that turns on a powerful calorie-burning system in brown fat — the body’s heat-generating fat linked to metabolism and weight control. The breakthrough centers on glycerol, a molecule released when fat is broken down in the cold, which activates an enzyme called TNAP and triggers an alternative heat-producing pathway that scientists had struggled to explain for years. Tue, 12 May 2026 07:58:13 EDT https://www.sciencedaily.com/releases/2026/05/260511213141.htm https://www.sciencedaily.com/releases/2026/05/260508171123.htm Scientists have uncovered a surprising secret hidden inside fat cells that could reshape how we think about obesity and metabolic disease. A protein called HSL, long believed to simply release stored fat when the body needs energy, turns out to have a second job deep inside the nucleus of fat cells—helping keep those cells healthy and balanced. Even more surprising, people and mice missing this protein don’t become obese as expected; instead, they lose fat tissue in a dangerous condition called lipodystrophy. Fri, 08 May 2026 17:21:20 EDT https://www.sciencedaily.com/releases/2026/05/260508171123.htm https://www.sciencedaily.com/releases/2026/05/260506225551.htm Many cancer patients turn to biotin supplements hoping to restore hair lost during treatment, but experts warn the popular vitamin may do more harm than good. While biotin is often marketed for stronger hair and nails, there’s little evidence it actually helps cancer-related hair loss—and it can dangerously interfere with lab tests. Doctors say the supplement can distort key blood markers, potentially masking cancer recurrence or delaying treatment decisions. Thu, 07 May 2026 22:07:42 EDT https://www.sciencedaily.com/releases/2026/05/260506225551.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/2026/04/260428004119.htm A daily vitamin D supplement may quietly supercharge chemotherapy. In a small study, women who took low doses alongside treatment were far more likely to see their cancer vanish than those who didn’t. Since vitamin D also supports immune function—and many patients are deficient—it could be playing a bigger role than expected. Scientists say this affordable approach deserves much deeper investigation. Tue, 28 Apr 2026 01:03:03 EDT https://www.sciencedaily.com/releases/2026/04/260428004119.htm https://www.sciencedaily.com/releases/2026/04/260427050620.htm Researchers have found an enzyme that can turn fragile drug molecules into durable ring shapes. This could help medications like Ozempic last longer and work more effectively. The process is simpler and more precise than traditional methods, even for complex drugs. It may open the door to stronger, longer-lasting treatments. Tue, 28 Apr 2026 00:11:44 EDT https://www.sciencedaily.com/releases/2026/04/260427050620.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/2026/04/260422091043.htm Scientists at UC Irvine have found a way to potentially reverse age-related vision loss by targeting the ELOVL2 “aging gene” and restoring vital fatty acids in the retina. Their experiments in mice show that supplementing with specific polyunsaturated fatty acids—not just DHA—can restore visual function and even reverse cellular aging signs. Wed, 22 Apr 2026 21:06:41 EDT https://www.sciencedaily.com/releases/2026/04/260422091043.htm https://www.sciencedaily.com/releases/2026/04/260420014744.htm Cancer cells are known for their “glutamine addiction,” but many can escape this weakness by switching to alternative fuels. Researchers found that vitamin B7 acts like a metabolic “license,” enabling this escape route through a key enzyme. Without biotin, cancer cells lose that flexibility and stop growing. Mutations in a cancer-linked gene can make this vulnerability even stronger, offering a promising new target for therapy. Mon, 20 Apr 2026 07:14:27 EDT https://www.sciencedaily.com/releases/2026/04/260420014744.htm https://www.sciencedaily.com/releases/2026/04/260420014742.htm A trio of common amino acids may hold the key to unlocking far more powerful gene therapies. Researchers found that adding them to lipid nanoparticles can boost mRNA delivery up to 20-fold and push CRISPR editing efficiency close to 90%. The trick isn’t changing the drug—but helping cells take it in more easily. In early tests, the approach dramatically improved survival and treatment outcomes, pointing to a simple but game-changing upgrade for future medicine. Mon, 20 Apr 2026 06:53:54 EDT https://www.sciencedaily.com/releases/2026/04/260420014742.htm https://www.sciencedaily.com/releases/2026/04/260420014738.htm A popular Korean skincare ingredient may be far more powerful than anyone realized. Scientists have discovered that madecassic acid—derived from the herb Centella asiatica—can stop antibiotic-resistant bacteria in their tracks, including dangerous strains of E. coli. By targeting a bacterial protein that humans don’t have, the compound disrupts the microbes’ ability to survive, making it a promising new type of antibiotic. Tue, 21 Apr 2026 01:33:16 EDT https://www.sciencedaily.com/releases/2026/04/260420014738.htm https://www.sciencedaily.com/releases/2026/04/260417224527.htm Extra virgin olive oil might help protect your brain by working through your gut. A two-year study found that people who consumed it had better cognitive performance and more diverse gut bacteria than those using refined olive oil. Researchers even identified specific microbes linked to these benefits. The findings suggest that choosing high-quality olive oil could be a simple way to support brain health as you age. Sat, 18 Apr 2026 23:45:14 EDT https://www.sciencedaily.com/releases/2026/04/260417224527.htm https://www.sciencedaily.com/releases/2026/04/260416071947.htm A rogue set of “zombie” immune cells may be driving aging and fatty liver disease by flooding tissues with inflammation. Researchers found these cells accumulate with age and high cholesterol—and can make up most of the liver’s immune cells in older mice. When scientists removed them, liver damage was dramatically reversed, even without diet changes. Thu, 16 Apr 2026 07:59:44 EDT https://www.sciencedaily.com/releases/2026/04/260416071947.htm https://www.sciencedaily.com/releases/2026/04/260415043630.htm A surprising discovery from high-altitude animals like yaks and Tibetan antelopes could reshape how we treat nerve damage in humans. Scientists found that a genetic mutation helping these animals survive low-oxygen environments also protects and repairs the myelin sheath—the vital coating around nerve fibers that’s damaged in diseases like multiple sclerosis (MS) and cerebral paralysis. Wed, 15 Apr 2026 04:36:30 EDT https://www.sciencedaily.com/releases/2026/04/260415043630.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/2026/04/260412221946.htm A newly discovered molecule could reshape the future of weight loss treatments by mimicking the powerful appetite-suppressing effects of drugs like Ozempic — but without many of the unpleasant side effects. Identified using artificial intelligence, this tiny peptide, called BRP, appears to act directly on the brain’s appetite-control center, helping animals eat less and lose fat without nausea or muscle loss. Sun, 12 Apr 2026 22:34:37 EDT https://www.sciencedaily.com/releases/2026/04/260412221946.htm https://www.sciencedaily.com/releases/2026/04/260410083114.htm A common eye-health nutrient, zeaxanthin, may also help the body fight cancer more effectively. Scientists discovered it strengthens T cells and enhances the impact of immunotherapy treatments. Found in everyday vegetables and supplements, it’s safe, accessible, and shows strong potential as a cancer therapy booster. Human trials are the next step. Fri, 10 Apr 2026 09:55:45 EDT https://www.sciencedaily.com/releases/2026/04/260410083114.htm https://www.sciencedaily.com/releases/2026/04/260408225950.htm Chronic inflammation often works quietly in the background but can fuel serious diseases like diabetes, heart disease, and cancer. New research reveals that everyday plant compounds—like menthol from mint, cineole from eucalyptus, and capsaicin from chili peppers—can team up inside immune cells to dramatically boost their anti-inflammatory power. While individual compounds showed modest effects, certain combinations amplified results hundreds of times over by activating different cellular pathways at once. Thu, 09 Apr 2026 02:57:22 EDT https://www.sciencedaily.com/releases/2026/04/260408225950.htm https://www.sciencedaily.com/releases/2026/04/260407073850.htm Vitamin D levels in midlife may play a bigger role in long-term brain health than previously thought. In a study following nearly 800 people over 16 years, those with higher vitamin D levels in their 30s and 40s had lower levels of tau protein later on, a key marker linked to dementia. Tue, 07 Apr 2026 07:47:09 EDT https://www.sciencedaily.com/releases/2026/04/260407073850.htm https://www.sciencedaily.com/releases/2026/04/260406192922.htm Scientists at Oregon State University have captured something researchers have long struggled to see: the real-time chemical interactions that help drive Alzheimer’s disease. By watching how metal ions—especially copper—trigger harmful protein clumping in the brain, the team uncovered a clearer picture of how the disease develops at a molecular level. Tue, 07 Apr 2026 07:37:31 EDT https://www.sciencedaily.com/releases/2026/04/260406192922.htm https://www.sciencedaily.com/releases/2026/04/260403224458.htm Scientists have created an artificial saliva using a sugarcane protein that can protect teeth and fight bacteria. The key ingredient, CANECPI-5, binds directly to enamel, forming a shield against acids that cause decay. Early tests show it works even better when paired with fluoride and xylitol, significantly reducing damage to teeth. The innovation could be especially life-changing for cancer patients who lose saliva production after treatment. Sun, 05 Apr 2026 00:38:05 EDT https://www.sciencedaily.com/releases/2026/04/260403224458.htm https://www.sciencedaily.com/releases/2026/04/260401071931.htm A surprising new study suggests that genetics may change how diet affects brain health—especially when it comes to Alzheimer’s risk. Researchers found that older adults carrying high-risk APOE gene variants didn’t show the expected cognitive decline if they ate relatively high amounts of meat. In fact, those with these genes who consumed the most meat had slower cognitive decline and lower dementia risk, challenging conventional dietary advice. Thu, 02 Apr 2026 13:54:07 EDT https://www.sciencedaily.com/releases/2026/04/260401071931.htm https://www.sciencedaily.com/releases/2026/03/260331034337.htm Salt substitutes offer a simple, low-cost way to reduce sodium intake and improve blood pressure, yet very few Americans actually use them—even among those who need them most. A large national analysis spanning nearly two decades found that usage remains surprisingly low and has not improved over time. Researchers say this gap represents a major missed opportunity for preventing heart disease and stroke. Tue, 31 Mar 2026 06:57:40 EDT https://www.sciencedaily.com/releases/2026/03/260331034337.htm https://www.sciencedaily.com/releases/2026/03/260328043602.htm What teens eat might matter more for their mental health than previously thought. A sweeping review of nearly 20 studies found that healthier diets are often linked to fewer depressive symptoms, while poor eating habits may go hand in hand with greater psychological distress. Interestingly, focusing on whole dietary patterns—not just individual nutrients—showed more consistent benefits, suggesting that overall eating habits could play a meaningful role during this critical stage of brain development. Sun, 29 Mar 2026 04:02:35 EDT https://www.sciencedaily.com/releases/2026/03/260328043602.htm https://www.sciencedaily.com/releases/2026/03/260326075552.htm A new study reveals that high doses of antioxidants—often seen as harmless or beneficial—may actually impact future generations. Male mice given common supplements like NAC produced offspring with subtle but significant facial and skull changes. Researchers believe this is tied to altered sperm DNA, even though the fathers showed no outward health issues. Fri, 27 Mar 2026 08:41:19 EDT https://www.sciencedaily.com/releases/2026/03/260326075552.htm https://www.sciencedaily.com/releases/2026/03/260325005920.htm Researchers have identified a crucial ion channel, TMEM175, that acts like an overflow valve in the cell’s recycling system. It regulates acidity inside lysosomes, ensuring they function properly. When TMEM175 is faulty, toxic buildup can occur, contributing to diseases like Parkinson’s. This breakthrough reveals a promising new target for future therapies. Thu, 26 Mar 2026 07:35:07 EDT https://www.sciencedaily.com/releases/2026/03/260325005920.htm https://www.sciencedaily.com/releases/2026/03/260324024253.htm A global team of leading scientists is zeroing in on a tiny but powerful molecule that could reshape how we age. Known as NAD⁺, it plays a crucial role in keeping our cells energized, repairing DNA, and maintaining overall health—but its levels steadily decline over time, potentially fueling diseases like Alzheimer’s and Parkinson’s. Researchers are now exploring ways to boost NAD⁺ using compounds like NR and NMN, with early studies hinting at improvements in memory, metabolism, and physical function. Tue, 24 Mar 2026 06:39:06 EDT https://www.sciencedaily.com/releases/2026/03/260324024253.htm https://www.sciencedaily.com/releases/2026/03/260323005545.htm A surprising new study reveals that blocking a supposedly protective enzyme, Caspase-2, could actually backfire—raising the risk of chronic liver damage and cancer over time. Researchers found that without this enzyme, liver cells grow abnormally large and accumulate genetic damage, leading to inflammation, scarring, and eventually tumors, especially with age. While inhibiting Caspase-2 may offer short-term benefits, such as reducing fatty liver disease, the long-term consequences appear dangerous. Mon, 23 Mar 2026 03:13:52 EDT https://www.sciencedaily.com/releases/2026/03/260323005545.htm https://www.sciencedaily.com/releases/2026/03/260321012638.htm Antibiotics are accumulating in a major Brazilian river, especially during the dry season when pollution becomes more concentrated. Scientists even detected a banned drug inside fish sold for food, raising concerns about human exposure. A common aquatic plant showed promise in removing these chemicals from water—but it also altered how fish absorb them, creating unexpected risks. Sat, 21 Mar 2026 20:48:07 EDT https://www.sciencedaily.com/releases/2026/03/260321012638.htm https://www.sciencedaily.com/releases/2026/03/260318033111.htm Malaria parasites contain tiny spinning crystals that have puzzled scientists for years. New research reveals they’re powered by a rocket-like reaction that breaks down hydrogen peroxide, releasing energy. This motion may help the parasite detoxify harmful chemicals and manage iron more efficiently. The discovery could lead to new drugs and spark innovations in microscopic robotics. Thu, 19 Mar 2026 07:19:27 EDT https://www.sciencedaily.com/releases/2026/03/260318033111.htm https://www.sciencedaily.com/releases/2026/03/260315004407.htm Melatonin is now widely used to help children sleep, but scientists say the enthusiasm may be getting ahead of the evidence. A major review found clear benefits for children with conditions like autism and ADHD, yet far less data exists for typical childhood insomnia. Researchers also warn about mislabeled supplement doses and rising accidental ingestions among young kids. Experts say melatonin should be used carefully and only alongside proven behavioral sleep strategies. Sun, 15 Mar 2026 07:08:26 EDT https://www.sciencedaily.com/releases/2026/03/260315004407.htm https://www.sciencedaily.com/releases/2026/03/260315001845.htm A major clinical trial has delivered an unexpected twist in the search for ways to fight COVID-19 and its lingering effects. Researchers at Mass General Brigham found that taking high doses of vitamin D3 did not make COVID-19 infections less severe or reduce hospital visits. However, the study uncovered a subtle but intriguing signal suggesting that people who consistently took vitamin D supplements might be slightly less likely to develop long COVID symptoms weeks after infection. Sun, 15 Mar 2026 05:54:54 EDT https://www.sciencedaily.com/releases/2026/03/260315001845.htm https://www.sciencedaily.com/releases/2026/03/260311213453.htm Scientists have discovered that a rare “mirror-image” version of the amino acid cysteine can dramatically slow the growth of certain cancers while leaving healthy cells largely untouched. Unlike most anticancer treatments that harm normal tissues, this molecule—called D-cysteine—is taken up mainly by some cancer cells through a specific transporter on their surface. Once inside, it shuts down a crucial mitochondrial enzyme that cancer cells rely on to produce energy and maintain DNA, effectively halting their growth. Thu, 12 Mar 2026 18:48:39 EDT https://www.sciencedaily.com/releases/2026/03/260311213453.htm https://www.sciencedaily.com/releases/2026/03/260311004833.htm Coenzyme A, a molecule derived from vitamin B5, is vital for metabolism throughout the body. Scientists discovered that most of it resides inside mitochondria, yet how it reached these cellular powerhouses was unclear. Yale researchers have now identified the transport system that moves CoA into mitochondria, solving a long-standing biological puzzle. The discovery could help researchers better understand diseases linked to metabolic dysfunction and mitochondrial problems. Wed, 11 Mar 2026 18:32:18 EDT https://www.sciencedaily.com/releases/2026/03/260311004833.htm https://www.sciencedaily.com/releases/2026/03/260309225146.htm Scientists at Oregon Health & Science University have developed a new molecule that could open the door to treating triple-negative breast cancer, one of the most aggressive and difficult-to-treat forms of the disease. The compound, called SU212, targets and disables a key enzyme that cancer cells rely on to fuel their growth. In tests using humanized mouse models, the molecule caused tumors to shrink and slowed the spread of cancer by forcing the enzyme to break down. Tue, 10 Mar 2026 18:10:14 EDT https://www.sciencedaily.com/releases/2026/03/260309225146.htm https://www.sciencedaily.com/releases/2026/03/260309183010.htm Researchers have found hundreds of metabolic enzymes attached to human DNA inside the cell nucleus. Different tissues and cancers show unique patterns of these enzymes, forming a “nuclear metabolic fingerprint.” Some of the enzymes gather around damaged DNA to assist with repair. The discovery reveals an unexpected link between metabolism and gene regulation that could influence how cancers grow and respond to treatment. Mon, 09 Mar 2026 19:54:17 EDT https://www.sciencedaily.com/releases/2026/03/260309183010.htm https://www.sciencedaily.com/releases/2026/03/260308201618.htm Pre-workout supplements promising extra energy for workouts may come with a hidden cost: severely reduced sleep. A study of people aged 16–30 found users were more than twice as likely to sleep five hours or less per night. Many of these products pack huge doses of caffeine and stimulants that can linger for hours. Researchers say the findings raise concerns about the impact on young people’s health and development. Mon, 09 Mar 2026 17:02:26 EDT https://www.sciencedaily.com/releases/2026/03/260308201618.htm https://www.sciencedaily.com/releases/2026/03/260307213252.htm A growing trend called “fibermaxxing” is putting dietary fiber in the spotlight—and for good reason. Fiber plays a powerful role in keeping the body healthy, from supporting digestion and feeding beneficial gut microbes to helping regulate blood sugar and cholesterol. Researchers say getting enough fiber may even lower the risk of conditions like obesity, diabetes, and certain cancers. Sun, 08 Mar 2026 15:57:15 EDT https://www.sciencedaily.com/releases/2026/03/260307213252.htm https://www.sciencedaily.com/releases/2026/03/260307213236.htm A major international trial has found that daily fish oil supplements significantly reduced life-threatening cardiovascular events in dialysis patients. People who took four grams per day had a 43% lower risk of heart attack, stroke, cardiac death, or vascular-related amputations compared with those on placebo. The findings stand out because few treatments have successfully lowered heart risk in this high-risk group. Tue, 10 Mar 2026 22:25:54 EDT https://www.sciencedaily.com/releases/2026/03/260307213236.htm https://www.sciencedaily.com/releases/2026/03/260305223240.htm A Rutgers-led study found that eating less protein may help slow liver cancer in people with impaired liver function. When damaged livers can’t properly clear toxic ammonia from protein metabolism, the excess ammonia can feed tumor growth. In mice, reducing dietary protein lowered ammonia levels, slowed tumor growth, and significantly improved survival. Fri, 06 Mar 2026 05:17:57 EST https://www.sciencedaily.com/releases/2026/03/260305223240.htm https://www.sciencedaily.com/releases/2026/03/260303145705.htm A sweeping new study reveals that what’s on your plate may directly shape the pesticides circulating in your body. Researchers found that people who eat more fruits and vegetables known to carry higher pesticide residues—such as strawberries, spinach, and bell peppers—also have significantly higher levels of those chemicals in their urine. While produce remains a cornerstone of a healthy diet, the findings highlight how everyday food choices can drive real-world exposure to substances linked to cancer, hormone disruption, and developmental harm. Wed, 04 Mar 2026 13:09:52 EST https://www.sciencedaily.com/releases/2026/03/260303145705.htm https://www.sciencedaily.com/releases/2026/03/260303050633.htm Scientists have uncovered a surprising new hero in the fight against one of the world’s deadliest fungal infections: albumin, the most abundant protein in human blood. In a major international study, researchers found that people who develop mucormycosis — a fast-moving and often fatal “black fungus” infection — have strikingly low levels of albumin, and that this deficiency strongly predicts death. Tue, 03 Mar 2026 14:56:04 EST https://www.sciencedaily.com/releases/2026/03/260303050633.htm https://www.sciencedaily.com/releases/2026/03/260302030657.htm Polyamines—natural molecules found in every living cell—have become stars in the longevity world for their ability to boost cellular cleanup and support healthy aging. But there’s a dark twist: high levels of these same molecules are consistently seen in cancer, where tumors grow aggressively. Mon, 02 Mar 2026 06:13:04 EST https://www.sciencedaily.com/releases/2026/03/260302030657.htm https://www.sciencedaily.com/releases/2026/02/260227071916.htm Scientists have unveiled a breakthrough way to turn natural gas—long burned as fuel—into valuable chemical building blocks for medicines and other high-demand products. By designing a clever iron-based catalyst powered by LED light, researchers managed to activate stubborn molecules like methane and transform them into complex compounds, even creating the hormone therapy drug dimestrol directly from methane for the first time. Fri, 27 Feb 2026 10:51:30 EST https://www.sciencedaily.com/releases/2026/02/260227071916.htm https://www.sciencedaily.com/releases/2026/02/260227061821.htm Researchers at Nagoya University have created a more efficient iron-based photocatalyst that could reduce the need for rare and expensive metals in advanced chemistry. Unlike earlier designs, the new catalyst uses far fewer costly chiral ligands while still precisely controlling the three dimensional structure of molecules. Fri, 27 Feb 2026 11:08:10 EST https://www.sciencedaily.com/releases/2026/02/260227061821.htm https://www.sciencedaily.com/releases/2026/02/260226042458.htm A massive study of more than 270,000 people has uncovered a surprising link between a common amino acid and how long men live. Researchers found that higher levels of tyrosine—an amino acid found in protein-rich foods and often marketed as a focus-boosting supplement—were associated with shorter life expectancy in men, potentially trimming nearly a year off lifespan. Thu, 26 Feb 2026 12:31:50 EST https://www.sciencedaily.com/releases/2026/02/260226042458.htm https://www.sciencedaily.com/releases/2026/02/260225081217.htm Eating nothing but oatmeal for just two days might sound extreme, but it delivered a striking payoff in a new clinical trial. People with metabolic syndrome who followed a short, calorie-reduced oat-based plan saw their harmful LDL cholesterol drop by 10%, along with modest weight loss and lower blood pressure. Even more surprising, the cholesterol benefits were still visible six weeks later. Wed, 25 Feb 2026 11:37:57 EST https://www.sciencedaily.com/releases/2026/02/260225081217.htm https://www.sciencedaily.com/releases/2026/02/260225081214.htm Avoiding meat might slightly lower the odds of reaching 100 — but only for frail, underweight seniors. In very old age, staying strong and maintaining muscle matters more than long-term disease prevention. Older adults who included fish, eggs, or dairy were just as likely to become centenarians as meat eaters, suggesting that key nutrients may make the difference. The takeaway: nutrition needs change dramatically with age. Thu, 26 Feb 2026 03:57:06 EST https://www.sciencedaily.com/releases/2026/02/260225081214.htm https://www.sciencedaily.com/releases/2026/02/260225081159.htm Popular acid reflux drugs such as Prilosec, Nexium, and Protonix may carry hidden risks when taken long term. A new study found that extended use disrupted iron and calcium levels in rats, changes associated with anemia and osteoporosis risk. Researchers also observed shifts in mineral balance across multiple organs. Experts say the medications are effective, but prolonged use without medical guidance could have unintended consequences. Thu, 26 Feb 2026 07:27:39 EST https://www.sciencedaily.com/releases/2026/02/260225081159.htm https://www.sciencedaily.com/releases/2026/02/260221000332.htm Researchers have mapped the genetic risk of hemochromatosis across the UK and Ireland for the first time, uncovering striking hotspots in north-west Ireland and the Outer Hebrides. In some regions, around one in 60 people carry the high-risk gene variant linked to iron overload. The condition can take decades to surface but may lead to liver cancer and arthritis if untreated. Sat, 21 Feb 2026 09:38:45 EST https://www.sciencedaily.com/releases/2026/02/260221000332.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/2026/02/260217005756.htm Researchers investigating crops grown in soil contaminated by the 2015 mining disaster in Brazil discovered that toxic metals are moving from the earth into edible plants. Bananas, cassava, and cocoa were found to absorb elements like lead and cadmium, with bananas showing a potential health risk for children under six. Although adults face lower immediate danger, scientists warn that long-term exposure could carry cumulative health consequences. Tue, 17 Feb 2026 07:07:09 EST https://www.sciencedaily.com/releases/2026/02/260217005756.htm https://www.sciencedaily.com/releases/2026/02/260213223918.htm Scientists at Michigan State University have uncovered the molecular “switch” that powers sperm for their final, high-speed dash toward an egg. By tracking how sperm use glucose as fuel, the team discovered how dormant cells suddenly flip into overdrive, burning energy in a carefully controlled, multi-step process. A key enzyme, aldolase, helps convert sugar into the burst of power needed for fertilization, while other enzymes act like traffic controllers directing the flow of fuel. Sat, 14 Feb 2026 10:47:27 EST https://www.sciencedaily.com/releases/2026/02/260213223918.htm https://www.sciencedaily.com/releases/2026/02/260212234216.htm Fish oil’s cancer-fighting reputation may hinge on a little-known gene. Researchers discovered that omega-3s like EPA and DHA help curb colorectal cancer only when the enzyme ALOX15 is present. Without it, fish oil sometimes increased tumor growth in mice—especially DHA. The results suggest that not all supplements work the same way, and genetics could determine who truly benefits. Fri, 13 Feb 2026 09:20:25 EST https://www.sciencedaily.com/releases/2026/02/260212234216.htm https://www.sciencedaily.com/releases/2026/02/260211073037.htm A six-week study from the University of Nottingham suggests that pairing fermented kefir with a diverse prebiotic fiber mix may deliver a powerful anti-inflammatory boost. This “synbiotic” combination outperformed omega-3 supplements and fiber alone, leading to the broadest drop in inflammation-related proteins in healthy adults. By feeding beneficial microbes and helping them produce compounds like butyrate, the combo appeared to improve overall immune balance and metabolic health. Wed, 11 Feb 2026 23:40:29 EST https://www.sciencedaily.com/releases/2026/02/260211073037.htm https://www.sciencedaily.com/releases/2026/02/260208233839.htm A centuries-old Chinese medicinal root is getting new scientific attention as a potential game-changer for common hair loss. Polygonum multiflorum, long believed to restore dark, healthy hair, appears to work on multiple fronts at once—blocking hair-shrinking hormones, protecting follicles from damage, activating natural regrowth signals, and boosting blood flow to the scalp. Mon, 09 Feb 2026 03:18:01 EST https://www.sciencedaily.com/releases/2026/02/260208233839.htm https://www.sciencedaily.com/releases/2026/02/260208011028.htm What a mother eats during pregnancy may quietly shape her child’s liver health years down the road—but new research suggests there may be a way to tip the odds back in a healthier direction. Scientists found that a natural compound made by healthy gut bacteria dramatically reduced fatty liver disease in the offspring of mice whose mothers ate a high-fat, high-sugar diet. The compound, called indole, appeared to protect the liver, improve blood sugar, limit weight gain, and even reshape the gut microbiome in lasting ways. Sun, 08 Feb 2026 02:18:29 EST https://www.sciencedaily.com/releases/2026/02/260208011028.htm https://www.sciencedaily.com/releases/2026/02/260208011015.htm Researchers have found a surprising way to turn sunflower oil waste into a powerful bread upgrade. By replacing part of wheat flour with partially defatted sunflower seed flour, breads became dramatically richer in protein, fiber, and antioxidants—while also offering potential benefits for blood sugar and fat digestion. Sun, 08 Feb 2026 14:27:47 EST https://www.sciencedaily.com/releases/2026/02/260208011015.htm