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A new study published in JAMA Network Open suggests that a single application of 1% chlorhexidine, a low-cost antiseptic, during labor and shortly after birth could significantly reduce harmful bacteria linked to neonatal sepsis. In a clinical trial involving mothers and newborns in Malawi, the treatment lowered bacterial levels by nearly 3,000-fold in mothers and 16-fold in babies without causing serious side effects. Researchers found that a higher 2% concentration offered no added benefit. Because chlorhexidine is inexpensive and widely available, it could become an effective, scalable strategy to help prevent life-threatening newborn infections, especially in low- and middle-income countries.

A new study published in the Annals of Internal Medicine found that adding GLP-1 receptor agonists (GLP-1 RAs) to basal insulin therapy does not increase the likelihood of stopping insulin in people with type 2 diabetes compared with SGLT2 inhibitors or DPP-4 inhibitors. Researchers analyzed data from more than 8,800 matched groups of U.S. veterans with type 2 diabetes and observed similar insulin discontinuation rates across all three treatment options over three years. While GLP-1 RAs continue to provide important heart, kidney, and weight-loss benefits, the findings suggest they do not offer a unique advantage in helping patients discontinue basal insulin therapy.

Scientists at Northwestern Medicine have discovered that the immune receptor A2A plays a surprising dual role in cancer. Instead of acting only as an immune "brake," both excessive A2A activity and its complete loss can push cancer-fighting CD8+ T cells into an exhausted, ineffective state through different biological pathways. Using advanced single-cell analysis, researchers identified CD122 signaling as a key driver of this process when A2A is absent. The findings help explain why A2A-targeted cancer therapies have shown limited success in clinical trials and suggest that future treatments should carefully fine-tune immune signaling rather than simply blocking it, potentially leading to more effective cancer immunotherapies.

A new study suggests that aging may be driven in part by a breakdown in communication between two key immune cells. Researchers found that aging macrophages become less effective at clearing worn-out neutrophils, allowing chronic inflammation to build up and accelerate organ decline. In mice, blocking a single inflammatory receptor called EP2 restored this cleanup process, preserving brain, heart, liver, kidney, muscle, and memory function while reducing frailty and inflammation. Although the findings are still preclinical, they reveal a promising target for future anti-aging therapies aimed at extending healthy lifespan rather than simply increasing longevity.

DNA Script has partnered with Imperial Life Sciences (ILS) to expand access to its SYNTAX platform across India, enabling researchers to produce single-stranded DNA (ssDNA) oligonucleotides directly in their laboratories. The automated benchtop system synthesizes, purifies, and normalizes DNA in just a few hours, reducing dependence on overseas suppliers and accelerating research workflows. Capable of generating up to 384 oligonucleotides in parallel, the platform supports faster design-build-test cycles for a wide range of life science applications. The collaboration aims to strengthen India's rapidly growing biotechnology sector by providing local sales, technical support, and quicker access to advanced DNA synthesis technology.

The Baltic Sea Diet is a healthy Nordic eating pattern that emphasizes whole grains such as rye, oats, and barley, along with berries, vegetables, legumes, fatty fish, and rapeseed (canola) oil. It limits red and processed meats, sweets, and saturated fats while encouraging nutrient-rich, minimally processed foods. Research suggests that following this diet may improve heart and metabolic health by lowering LDL cholesterol, blood pressure, and the risk of cardiovascular disease and type 2 diabetes. Although many traditional Nordic foods may not be widely available worldwide, the diet's core principles- more whole plant foods, healthy fats, and less processed meat—can be adapted to fit different cultures and cuisines.

A new narrative review pulling together 84 studies suggests that ultra-processed foods, packaged snacks, sugary drinks, ready meals, eaten during pregnancy and early childhood may cast a long shadow over a child's health, since these foods tend to be heavy on sugar, salt, and additives while stripping out fiber and key nutrients, and researchers found links between higher intake and poorer maternal diet quality, excess weight gain, gestational diabetes, preeclampsia, and increased inflammation, while early childhood exposure was tied to altered gut microbiota, obesity risk, and even developmental effects; the evidence is largely observational, so it can't prove cause and effect, but the consistency across dozens of studies is strong enough that researchers say cutting back on ultra-processed foods during these sensitive stages is a public health priority worth taking seriously.

While humans deal with spinal cord injuries by forming permanent scar tissue that blocks nerve repair, zebrafish somehow heal completely, and a new study in the Journal of Neuroinflammation finally explains how. Researchers at TUD Dresden found that a specific subgroup of neutrophils, the first immune cells to reach an injury, act less like cleanup crew and more like conductors, using a signaling molecule called IL-4 to calm the rest of the immune system down. When scientists blocked these cells, inflammation spiraled and nerve regrowth stalled, but adding IL-4 directly restored healing even without the neutrophils present. It's a compelling clue for regenerative medicine, though researchers still don't know if IL-4 works the same way in humans. If it does, it could open a real path toward treating spinal injuries we currently can't fix.

Glaucoma earns its "silent thief of sight" nickname because it often damages the optic nerve without warning, but a new study in JAMA Ophthalmology suggests nicotinamide, a form of vitamin B3, might help keep it at bay. Tracking nearly 3,000 people with ocular hypertension over 3.7 years, researchers found nicotinamide users had a 66% lower risk of developing glaucoma, just 3.5% versus 9% among nonusers, and were also less likely to need eye drops or laser treatment. The theory is that glaucoma is really a metabolic disease, tied to age-related drops in a coenzyme that keeps retinal cells energized, and nicotinamide helps replenish it. It's not a replacement for standard care, and this was an observational study, so bigger trials are needed before it becomes a go-to recommendation, but it's a promising lead worth watching.

A new study from Sant Pau Research Institute, analyzing over 22,000 women, confirms what many patients have long suspected: endometriosis is not just a gynecological condition, it reaches migraines, digestive issues, anxiety, and depression too, symptoms that often get treated as unrelated problems. Researchers identified four distinct symptom patterns, ranging from severe pain paired with gastrointestinal and mood issues to profiles dominated almost entirely by anxiety, depression, and migraines rather than pelvic pain at all. This diversity helps explain why diagnosis often takes four to eleven years, since patients frequently bounce between specialists before anyone connects the dots. Women with coexisting adenomyosis fared worse still, landing disproportionately in the most severe symptom groups. The takeaway: recognizing this fuller picture, especially in primary care, could catch the disease earlier and spare women years of searching for answers.