EDWARD HSIA0-KUA CHANG, M.D.

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This study looked at whether or not including a group of lymph nodes near the heart (the internal mammary nodes, or IMNs) in breast cancer radiation therapy affects nearby muscles and bones. The researchers found that not including these nodes significantly reduced the radiation dose to several muscles in the chest and shoulder area, with the biggest reductions being 340 cGy for the teres major muscle and 320 cGy for the subscapularis muscle. This is important because reducing radiation exposure to these areas can help limit shoulder problems and improve recovery for breast cancer patients after treatment. Who this helps: Patients undergoing breast cancer treatment who want to avoid shoulder complications.

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This study looked at a surgical procedure called styloidectomy for patients who have narrowing in their jugular veins, which can lead to symptoms like headaches and problems with thinking. Out of 41 patients, about 71% reported feeling better after surgery, with an average improvement in their symptoms by nearly 2 points. While many patients experienced significant relief, there were also some complications, and more than a third needed further surgeries afterward, highlighting that careful patient evaluation is essential. Who this helps: This benefits patients suffering from jugular vein issues and their doctors.

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This study looked at smartphone apps designed to improve mental health for new and expectant mothers. Out of 587 apps found, only 38 were suitable for helping with perinatal mental health, and just three had reliable scientific evidence proving their effectiveness. This is important because it highlights that while many apps are available, most have not been tested properly, which could lead to ineffective or even unsafe options for those needing support. Who this helps: This benefits new and expectant mothers seeking mental health resources.

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This study focused on a key protein in the SARS-CoV-2 virus, which is crucial for how the virus manages its genetic material. Researchers developed a new compound, called compound 26, that effectively inhibits this protein with a strength of 53 nanomoles in tests. This is important because it could lead to better antiviral treatments for COVID-19 and other related viruses. Who this helps: This helps patients by providing potential new treatment options for viral infections.

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The study focused on kids aged 8 to 18 with partial tears of the anterior cruciate ligament (ACL) to see how many ended up with more serious ACL problems if they were treated without surgery. Out of 84 children who received non-surgical treatment, 21 (25%) went on to develop ACL insufficiency, and the average time until this progression was about 11.4 months. This is important because it shows a significant risk for these kids, indicating that non-surgical management might not be enough for everyone. Who this helps: This information helps doctors and pediatric patients evaluate treatment options for partial ACL tears.

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This research looked at two pregnant women with existing heart failure who faced serious heart problems (called cardiogenic shock) late in their pregnancies. They used a temporary heart support device to help stabilize their condition until they could safely deliver their babies by cesarean section. The findings show that these devices can effectively support mothers during high-risk deliveries, making it easier to manage the complexities of their health during this critical time. Who this helps: This helps pregnant women with heart conditions and the medical teams caring for them.

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Researchers added a plant-derived compound, agrimoniin, to the cold storage solution used to preserve donor livers from hearts-stopped donors before transplant, and tested whether it protected the liver tissue. Agrimoniin significantly reduced oxidative damage and a form of cell death called ferroptosis in both rat livers and human liver cell lines, working through a cellular defense pathway called Nrf-2. The results suggest agrimoniin could improve liver graft survival and transplant outcomes from donation-after-cardiac-death donors.

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A study in 112 transplant recipients with a serious lung fungal infection (Pneumocystis jirovecii pneumonia) found that additional infections detected at the same time strongly predicted worse outcomes. Bacterial co-infections more than quintupled the risk of death within 30 days, while simultaneous CMV infection drove longer hospital stays and more frequent need for mechanical ventilation. These findings suggest that checking for co-infections at diagnosis could help identify the sickest patients and guide more aggressive early management.

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South Korea's Ministry of Health and Welfare is funding a four-year project to develop a culturally adapted model for shared decision-making (SDM) — the practice of doctors and patients making treatment choices together — for use across Korean hospitals. The project will survey current practices, develop and validate assessment tools, build a data management system, and propose a reimbursement policy to make SDM sustainable nationwide. The goal is to shift Korean clinical culture toward more patient-centered care, addressing structural and cultural barriers that have limited SDM adoption.

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Field experiments in Oregon's carrot seed-growing region measured how a bacterial plant pathogen disperses through the air during harvest. Particle size and distance from the source both predicted how much bacteria was detected in air samplers, with larger particles settling faster and closer to the source. Developing these aerobiology measurements allows better risk models for how far the pathogen can spread between fields, which is critical because even trace contamination can disqualify carrot seed from international trade.

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Researchers compared two different scoring systems for diagnosing long COVID in 183 Korean adults followed for one year after infection. The broader NASEM criteria classified nearly half of participants as having long COVID, while the stricter PASC index classified about one quarter, with most PASC-positive patients also meeting the NASEM criteria. The two tools serve different purposes: the NASEM criteria captures a wider spectrum of post-infection symptoms, while the PASC index may be more useful for identifying patients for targeted clinical research or treatment trials.

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Researchers developed a prototype implantable brain monitoring system that communicates directly with epilepsy patients through a smartphone app, using a large language model to interpret brain signals and discuss them in plain language. The system detected seizures, tracked sleep and cognition from brain activity, and automatically improved its performance over days rather than the months of physician programming currently required. Patients responded positively to real-time updates about their brain health, suggesting that two-way AI communication could become a practical tool for managing epilepsy and other chronic neurological conditions.

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Male and female mice maintain the immune cells in their salivary glands through fundamentally different processes: in males, tissue-resident macrophages are long-lived and self-renewing, while in females they are shorter-lived and continuously replaced by circulating monocytes from the blood. Female salivary glands also contain more inflammatory immune cells overall and show higher expression of pro-inflammatory genes. This sex difference may help explain why Sjogren's disease — a chronic inflammatory condition that destroys salivary and tear glands — affects women at far higher rates than men.

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This review summarizes how machine learning is being applied to the design and optimization of nanoparticle drug delivery systems, covering over 10 categories of formulations used in medicine. Machine learning models can predict key drug carrier properties — such as particle size, stability, and how much drug gets released — reducing the trial-and-error traditionally required in formulation development. The authors identify current limitations and argue that wider adoption of these methods could significantly accelerate the path from drug discovery to clinical use.

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A multi-center study reviewed outcomes for 37 children with inflammatory bowel disease who received tofacitinib, a drug approved for adults, after failing other treatments. About half achieved meaningful symptom relief within three months, and nearly half achieved remission without needing steroids by six months. This is one of the largest pediatric datasets for this drug and supports its effectiveness in children with treatment-resistant IBD, though infections were a notable side effect.

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Over 493 days, researchers tracked how different bacterial communities shaped the breakdown of leaf litter from six plant species in a dry, hot ecosystem in China. Bacterial traits — particularly whether bacteria were specialists adapted to low-nutrient conditions — explained more of the variation in decomposition rates than the chemical composition of the litter itself. The study highlights that the life strategies of microbes, not just the chemistry of what they are eating, are key drivers of how carbon and nutrients cycle through stressed ecosystems.

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Two AI language models were trained to automatically classify epilepsy and seizure types from doctors' written clinical notes, rather than relying on standardized diagnostic codes. The best-performing model (DeepSeek-R1) matched expert neurologist accuracy and was deployed across nearly 77,000 clinical notes from over 18,000 patients, revealing population-level patterns in how epilepsy diagnoses evolve over time. Automating this classification makes it possible to conduct large-scale research on epilepsy treatment and outcomes that is not feasible with standard structured medical records.

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Researchers measured bile acid levels in the blood and joint fluid of knee osteoarthritis patients and compared them to the degree of joint inflammation. Certain bile acids were significantly elevated in patients with more severe inflammation, and these acids correlated with pain and stiffness scores. Lab experiments showed bile acids can reduce inflammatory signaling in joint cells, suggesting gut-derived bile acids may play a biological role in driving or modulating joint inflammation in osteoarthritis.

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A randomized trial in South Korea tested whether metformin or a bile acid drug (UDCA) could speed recovery from long COVID symptoms in 396 adults. About two-thirds of participants in all three groups — metformin, UDCA, and placebo — recovered by eight weeks, with no meaningful difference between the active treatments and placebo. A two-week course of either drug does not improve long COVID recovery.

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Researchers compiled data from 67 studies to compare outcomes when a specialized airway procedure (EXIT) for newborns with potentially blocked airways was planned in advance versus performed as an emergency. Unscheduled procedures led to significantly more maternal blood loss and a threefold higher rate of newborn deaths, though experienced teams at prepared centers could still perform them safely. The analysis strongly supports early diagnosis and multidisciplinary planning to reduce harm.

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This review pooled data from five studies comparing different post-surgery immobilization approaches after wrist ligament repair surgery. Restricting forearm rotation for about four to six weeks produced better pain and function outcomes than immediate movement, while whether the elbow was also immobilized made no meaningful difference. The findings give surgeons clearer guidance on how to protect the wrist repair without unnecessarily limiting the whole arm.

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A Korean hospital compared outcomes in patients with bloodstream infections from a highly drug-resistant bacteria (KPC-producing Enterobacterales) treated with a newer antibiotic, ceftazidime-avibactam, versus older combination therapies. The newer drug cut 30-day mortality roughly in half (15% vs. 28%) and dramatically reduced persistent infection. These results provide the first real-world evidence from South Korea supporting ceftazidime-avibactam as a first-line treatment for these dangerous, hard-to-treat infections.

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This paper proposes a new way of thinking about how genes that control biological variability evolve under natural selection. The authors argue that evolution acts on genes influencing randomness in reproduction and development — not just genes controlling average traits — and that there is an optimal level of this "biological noise" depending on how fast the environment changes. This framework connects two previously separate areas of genetics research and addresses a long-standing philosophical objection to the idea that the capacity to evolve can itself evolve.

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A phase I trial tested whether using nuclear imaging of liver function could help safely re-irradiate liver tumors in patients who had already received radiation. By targeting radiation away from the still-functioning parts of the liver identified by a special scan, 13 patients received retreatment with acceptable toxicity rates and some evidence of liver regrowth in untreated areas. This approach could expand treatment options for patients with recurring liver tumors who were previously considered too high-risk for additional radiation.

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This study compared standard lab cultures with rapid DNA-based testing (multiplex PCR) for identifying bacterial causes of hospital-acquired and ventilator-associated pneumonia in ICU patients. PCR identified pathogens in about four and a half hours versus five days for cultures, and doctors adjusted antibiotics much faster with PCR results. However, doctors rarely stopped broad-spectrum antibiotics even when PCR results came back negative, showing that faster testing alone is not enough without changes in prescribing culture.

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This review examined 11 years of research on sun protection among agricultural workers, who face far higher UV radiation exposure than people who work indoors. Knowledge and protective behaviors varied widely by region and culture, with hats and long pants being the most common precautions, but consistent sun-safe habits remained uncommon. Off-the-shelf awareness campaigns have little impact; effective prevention requires interventions tailored to specific workplace cultures and environments.

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Researchers studied the safety and effectiveness of liver-directed radiation therapy (RT) combined with a new treatment method called chemoimmunotherapy in patients with advanced bile duct cancer (cholangiocarcinoma). They found that most patients experienced only mild side effects, with a median overall survival of 17.4 months after treatment, and only 30% had local cancer recurrence after two years. This is important because it suggests that combining these treatments could improve outcomes for patients who currently have limited options. Who this helps: Patients with advanced cholangiocarcinoma.

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This study examined a new approach to improving communication between vehicles, aiming to make roads safer and traffic more efficient. The researchers created a system that combines multiple security features, leading to quicker and more accurate responses to threats; for example, it reduced the time to create new data blocks by 25% and achieved a 95% accuracy in detecting intrusions. This is important because safer and more reliable vehicle communication can significantly enhance road safety for everyone. Who this helps: This helps drivers and passengers by making their travel safer and more efficient.

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This study looked at what factors predict how long patients with acute ischemic stroke stay in the hospital. Researchers analyzed 101 patient records and found that over half (51%) stayed longer than six days. Key predictors for longer stays included a National Institutes of Health Stroke Scale (NIHSS) score of 10 or higher, blood sugar levels of 180 mg/dL or more, and low hemoglobin levels of 12 g/dL or less, indicating that these factors can help healthcare providers anticipate patient needs and adjust care accordingly. Who this helps: This helps doctors and hospitals better manage care for stroke patients.

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This study introduced CloneCoordinate, a free tool that helps researchers more efficiently design and manage DNA constructs using Google Sheets. It provides real-time task lists and standardized data, making the cloning process smoother and more collaborative. By using this software, researchers can troubleshoot problems better and improve their cloning success rates over time. Who this helps: Patients and researchers working on genetic therapies and other life sciences.

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A recent study focused on Rett syndrome, a serious condition that affects how people move, sense, and think. Researchers found that restoring a specific protein called MeCP2 in mice after they started losing abilities improved their vision and brain function, even if there were still some brain structure issues. Specifically, restoring just 60%-70% of this protein was enough to significantly enhance sensory functions, which indicates that genetic therapies could greatly improve the quality of life for individuals with Rett syndrome. Who this helps: Patients with Rett syndrome and their families.

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This study looked at how tiny particles called extracellular vesicles (EVs) from young stem cells can help reduce dry mouth caused by radiation treatment for head and neck cancers. Researchers found that these EVs improved saliva production and protected salivary glands in young mice after radiation, while older mice did not benefit. The treatment helps restore mouth function by balancing the immune response and boosting cell energy processes. Who this helps: This helps cancer patients undergoing radiation therapy.

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This study looked at how caregivers of children with disabilities feel about a dance program that's designed as therapy. Eight caregivers shared their thoughts about what helps or hinders participation. They found that factors related to the child, family, and healthcare system affect participation, and recommended improvements like lowering costs and fostering better communication between therapists and families. Who this helps: This benefits children with disabilities and their families seeking effective therapy options.

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Researchers studied the brains of people who had mild COVID-19 and experienced cognitive issues afterward. They found that those with cognitive impairment showed signs of brain damage, including thinning of specific brain areas and changes in the hippocampus, with a notable increase in certain proteins linked to brain cell damage. This matters because it highlights unique brain changes associated with cognitive impairments after COVID-19, even in mild cases, which can help in understanding and treating these conditions. Who this helps: Patients experiencing cognitive issues after COVID-19.

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This study focused on finding effective components from traditional herbs that can help fight atherosclerosis, a disease that causes artery hardening and poses serious heart risks. Researchers identified four key compounds from the herbs Salvia miltiorrhiza and Carthamus tinctorius and developed a new method to deliver these compounds together in a way that boosts their effectiveness. The final product significantly reduced fat buildup in cells and improved overall heart health markers in test subjects, with promising results in creating a safer therapy option. Who this helps: Patients at risk for heart disease.

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This study explored how virtual reality (VR) can help recognize emotions more accurately by using a new dataset and a method called the Multi-Modal Temporal Emotion Detector (MMTED). They collected data from 38 participants while showing them videos designed to provoke emotions, resulting in over 360 valid trials. The MMTED model achieved impressive accuracy rates of over 89% for recognizing emotions, which is important because it can improve how we understand and interact with emotions in various fields like healthcare and education. Who this helps: This helps patients and professionals in healthcare and education who rely on understanding emotional responses.

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This study looked at the early detection of abnormal bone growth (called heterotopic ossification) that can happen after muscle injuries in people with bleeding disorders like hemophilia and von Willebrand's disease. Researchers examined 29 cases and found that using high-definition ultrasound was effective in spotting this condition early. Early detection is important because it can lead to better treatment and prevent further complications for patients. Who this helps: This helps patients with bleeding disorders.

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This research paper reviews a medication called chiglitazar, which activates multiple types of receptors in the body to help manage type 2 diabetes and other metabolic issues. The study found that chiglitazar can significantly improve blood sugar levels, along with offering benefits for liver health and cholesterol levels. This is important because it suggests that chiglitazar might be a better option for treating diabetes and related conditions without the negative side effects associated with targeting just one receptor type. Who this helps: This benefits patients with type 2 diabetes and related metabolic disorders.

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This study investigated how changes in imaging can predict the success of radiotherapy for patients with intrahepatic cholangiocarcinoma, a type of liver cancer. Researchers examined CT scans before and after treatment in 154 patients and found that a greater than 33% decrease in tumor enhancement was linked to longer survival, outperforming traditional size measurements. This approach could lead to more personalized treatment plans by better understanding how individual tumors respond to therapy. Who this helps: This helps patients with intrahepatic cholangiocarcinoma by improving their treatment options.

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This study looked at how a brief training session on communication can help medical students deliver difficult news to families after a child's death during a simulated resuscitation scenario. The results showed that students who received this training performed much better, with families rating their communication skills significantly higher and video analysis showing clearer and more effective conversations. This is important because it enhances the way doctors support grieving families during very emotional times. Who this helps: This helps patients' families and healthcare providers.

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This study examined patients with major trauma who were transported by helicopter ambulance and how their fibrinogen levels changed when they arrived at the hospital. It found that patients who had low blood pressure after their first blood transfusion were 6.6 times more likely to have low fibrinogen levels (less than 1.6 g/L), and those with a specific shock score also had significantly higher odds of low fibrinogen. Understanding these factors is important because identifying patients at risk for low fibrinogen can help doctors provide better care right from the start. Who this helps: This helps doctors by improving their ability to assess and treat trauma patients effectively.

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This study looked at a type of cell in the gums called epithelial rests of Malassez (ERMs) to see how they respond after an injury. Researchers found that when gum tissue is damaged, ERMs not only increase in number and size but also change in a way that helps repair the tissue, including important indicators rising by as much as 50%. This is important because it shows that ERMs can play a key role in helping gums heal, which could improve treatments for periodontal disease. Who this helps: Patients with gum diseases.

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This research studied ciprofol, a new anesthetic similar to propofol, to determine the right dosage for different groups of patients, including the elderly, children, and critically ill individuals. The effective dose (ED50) varied significantly, ranging from 0.18 mg/kg to 0.67 mg/kg, showing that factors like age, weight, and health conditions affect how much of the drug is needed. Understanding these differences is important because it helps ensure that patients receive the safest and most effective anesthesia tailored to their specific needs. Who this helps: This helps patients undergoing procedures that require anesthesia.

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This study looked at how different factors—like the characteristics of patients, doctors, and the neighborhoods they live in—affect the use of telemedicine in primary care. Out of over 994,000 patients, only 5.9% used telemedicine, with 14.5% of those opting for audio-only phone calls instead of video. The researchers found that including information about doctors and neighborhoods along with patient details improved predictions about who uses telemedicine, which can help healthcare systems better serve patients. Who this helps: This benefits patients and healthcare providers by improving access to care.

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This research looked at how a special imaging test called computed tomography pulmonary angiography (CTPA) can help distinguish between invasive mold pneumonia and bacterial pneumonia in immunocompromised adults. The study found that CTPA showed signs of blood vessel invasion in 80% of cases with invasive mold pneumonia (12 out of 15), while there were no signs in any of the bacterial pneumonia cases (0 out of 10). This is important because being able to tell these two types of pneumonia apart can lead to better treatment for patients at high risk of infections. Who this helps: This helps doctors treating patients with weakened immune systems.

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Single-cell genomic analysis of glioblastoma tumor samples showed that radiation at clinical doses reshapes tumor cell populations in complex, dose-dependent ways, with different cancer cell subtypes activating distinct survival programs. Radiation also altered which regions of the DNA were accessible for gene activation in a cell-type-specific manner, suggesting that each tumor subpopulation has its own strategy for surviving treatment. Understanding these subpopulation-specific responses could help identify which cancer cells are most responsible for treatment resistance and identify new drug targets.

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Machine learning models were trained on clinical data from nearly 500 critically ill COVID-19 patients to predict 90-day mortality under two different anti-inflammatory drugs (baricitinib and tocilizumab) and identify which patients would do better on which drug. The models achieved good predictive accuracy and identified subgroups where one drug was clearly associated with lower mortality than the other. In about 13% of patients, the model would have recommended a different drug than what was given, though whether switching would actually improve survival requires a prospective trial to confirm.