MARIA C. BELL, M.D.

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This study examined how chronic sun exposure affects the daily rhythmic patterns of genes in human skin. Researchers took skin samples from 20 people at different times of the day and found that sun-exposed skin had fewer active genes and those that were active showed weaker rhythms compared to protected skin. Specifically, 480 genes displayed significant differences, indicating that long-term UV exposure can disrupt normal skin function and healing processes. Who this helps: This information is beneficial for patients at risk of sun damage, dermatologists, and researchers studying skin health.

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This study examined how age affects the differences between male and female patients in the intensive care unit (ICU), looking at their treatment, survival rates, and specific procedures from 2012 to 2024 in Sweden. It found that although more men are treated in the ICU, women actually had higher adjusted mortality rates, especially as they got older, with a 30-day mortality rate odds ratio of 1.03 for females compared to males. Understanding these age-related differences is important for improving care and outcomes for all ICU patients. Who this helps: This helps doctors and healthcare providers in treating both male and female ICU patients more effectively.

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This study examined how patients' self-reported fitness levels, measured in metabolic equivalents of task (MET), affect their health outcomes after non-cardiac surgery. Among nearly 38,300 patients, lower fitness levels led to higher risks of death after surgery: only 0.6% died within 30 days, but that number rose to 5.4% within a year. Specifically, patients with the lowest fitness level (MET 1) faced a 7.2% increased risk of dying within a year, compared to those with the highest fitness levels (MET 9 or greater). This research highlights the importance of assessing fitness before surgery to predict and potentially improve patient outcomes. Who this helps: Patients preparing for surgery and their healthcare providers.

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This study looked at factors that help people lose significant amounts of weight (at least 5% or 10%) in two popular weight loss programs, Medifast and OPTAVIA. Researchers found that losing just 2% of body weight by Week 4 greatly increases the chances of achieving at least 5% weight loss by Week 16, with participants having 24.6 times better odds of success. This is important because it helps identify individuals who might struggle to lose weight early on, allowing for more support and guidance to help them reach their goals. Who this helps: This benefits patients who are trying to lose weight and may need additional support.

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This study looked at the presence of human papillomavirus (HPV) infections among young women in rural Uganda before a vaccination program was fully in place. Out of 1,009 young women tested, 33% had HPV, and those who were vaccinated had lower rates of the most dangerous types (HPV16/18), with only 1.4% of vaccinated females infected compared to 5.6% of unvaccinated females. The research highlights that although vaccination has begun to show some benefits, many young women still have high HPV rates, which is important for future public health efforts. Who this helps: This helps young women and public health officials focused on improving vaccination rates and cervical cancer prevention.

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This study looked at why adopted individuals choose to get elective genomic testing, which helps them understand their risk for inheriting certain diseases. Out of nearly 5,800 patients, only 197 were adopted. The research found that 81% of adoptees felt that not having family health history was a major reason for wanting genomic testing, compared to only 32% of non-adoptees. Additionally, 45% of adoptees rated this lack of information as their top motivation, whereas just 5% of non-adoptees did the same. This study highlights the significant impact that missing family health history has on adoptees' decisions regarding their health. Who this helps: This helps adopted individuals seeking to understand their health risks.

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This study looked at how hospitals around the world prepare cancer patients for surgery through various 'prehabilitation' practices, such as exercise, nutrition, and mental health support. Out of 1,409 hospitals surveyed, only 21.1% offered these prehabilitation services to all cancer patients, while nearly 30% provided them to selected groups. The main challenges for wider adoption were insufficient funding and lack of interest from hospital management, which highlights the need for better resources and guidelines in this area. Who this helps: This information benefits patients undergoing cancer surgery by promoting better pre-surgery care.

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This study looked at how different rehabilitation methods can help patients who have had surgery to repair a torn knee ligament (called ACLR) return to normal walking patterns. The researchers found 14 studies involving 404 participants, showing that therapies like strength training and assistive devices can be used after surgery, but there's too much variety in the treatments to draw clear conclusions about what works best. This research is important because improving walking after ACLR may help prevent future knee problems, like arthritis. Who this helps: This helps patients recovering from ACL surgery.

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This study looked at how Greek yogurt and whey protein supplements affected bone health and inflammation in university athletes over a competitive season. In total, 32 athletes participated, and while some markers related to bone health showed changes (like C-telopeptides of Type I collagen), there were no significant overall benefits linked to either type of protein. This research helps us understand the potential impacts of dietary supplements for athletes, though it's uncertain if the changes were due only to the supplements. Who this helps: Athletes looking to optimize their nutrition for better performance and health.

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This study looked at eye problems in cats suffering from feline infectious peritonitis (FIP) and evaluated how well a treatment called GS-441524 works to improve these issues. Out of 118 cats, 48 (about 40%) had eye problems, mainly inflammation and damage in the eye's various layers. After starting the treatment, most cats saw significant improvements within just a week, showing that this medication not only treats the infection but also helps address serious eye complications. Who this helps: This benefits cats with FIP and their veterinarians by improving the management of associated eye conditions.

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This study looked at how effective group therapy called Acceptance and Commitment Therapy (ACT) is for teenagers aged 13 to 18 dealing with anxiety and depression. Researchers found that after treatment, the teens had fewer anxiety symptoms (a drop of about 50% in severity) and depression symptoms (about 51% lower), as well as improved mindfulness and a better commitment to their personal values. This is important because about half of the participants who had severe symptoms before treatment showed significant improvement three months later. Who this helps: This helps adolescents struggling with anxiety and depression by providing effective treatment options.

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This study looked at the effects of lowering the number of two specific surgeries: tonsillectomy (removing tonsils) and Dupuytren's contracture release (a surgery for hand issues). After the reduction efforts began, there were 540 more visits to general practitioners (GPs) for tonsillitis per 10,000 patients each year, but the need for surgery decreased for both conditions. The time to get a tonsillectomy went down by about 5 days while the change in timing for Dupuytren's contracture surgery was less clear. Who this helps: This helps patients needing these surgeries and their doctors by providing insights into changes in healthcare demand.

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This study looks at how Brazil is facing serious problems from climate change, including severe droughts, floods, and heatwaves, which are harming the environment and causing social and economic issues. It notes that these extreme weather events have led to increased health risks, like outbreaks of diseases such as dengue fever, especially impacting vulnerable communities. To tackle these challenges, Brazil needs to improve its disaster response strategies and invest in better monitoring of deforestation and climate risks. Who this helps: This helps patients, especially those at risk of climate-related health issues, as well as communities affected by climate change.

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This study looked at how city noise affects the songs of European robins by comparing those living in Edinburgh to those in a quieter countryside. Researchers recorded 59 robins in the city and 54 in the countryside, finding that city robins had longer, simpler songs that didn’t change much throughout the day, while countryside robins had songs that varied more and were shorter. This is important because it shows how urban noise can force birds to change their communication methods, potentially impacting their survival and reproduction. Who this helps: This research informs wildlife conservationists and urban planners about the effects of noise pollution on bird species.

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This study looked at how pharmacist-led digital tools can help people manage their asthma better. Researchers reviewed nine studies and found that most of these tools improved medication adherence in 80% of cases and asthma control in 88% of cases, leading to better health outcomes for patients. This matters because improving asthma management can help patients avoid serious health issues and reduce healthcare costs. Who this helps: This helps patients with asthma and their healthcare providers.

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This study looked at how certain small protein pieces, called bioactive peptide matrikines, can help repair and rejuvenate aging skin by improving the structure that supports skin cells. Researchers found two specific tetrapeptides, pal-GPKG and pal-LSVD, that work together to boost the regeneration of skin’s support structure, which is important for reducing wrinkles and improving skin healing. This research matters because it could lead to new treatments for aging skin and help with other issues like wound healing. Who this helps: This helps patients looking for effective anti-aging skincare and treatment options.

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This study investigated the role of a specific type of immune cell, known as uterine natural killer (uNK) cells, in the success of pregnancies among women who have received uterus transplants. Researchers found that these uNK cells were significantly reduced in the tissue of transplant recipients, which was linked to pregnancy complications like preeclampsia and issues with blood flow in the placenta. The findings highlight the importance of a signaling protein, NFAT, in maintaining healthy uNK cell populations and may explain some of the challenges faced by women after uterus transplants. Who this helps: This helps patients who have received uterus transplants and their healthcare providers.

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This study looked at how ultraviolet (UV) radiation affects the beneficial bacteria on our skin and how that, in turn, impacts skin health. Researchers found that low doses of UV radiation increased certain metabolites produced by these bacteria, which help maintain skin barrier function, while high doses decreased these beneficial metabolites. Specifically, after low-dose UV exposure, the skin's ability to resist damage improved, showing that the interaction between UV light and skin bacteria is important for skin protection. Who this helps: This research benefits patients by improving understanding of skin health and protection against UV damage.

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This study looked at how different anesthetics influence the effectiveness of electroconvulsive therapy (ECT) for people with severe depression. Researchers reviewed 59 studies and found that using ketamine or etomidate can lead to longer seizures, which might help increase the treatment's effectiveness. They also noted that lower doses and longer wait times between the anesthesia and ECT can improve outcomes, although more research is needed to confirm this. Who this helps: This helps patients with severe depression and their doctors in choosing better treatment options.

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This study focused on improving knee surgery by creating a new scoring system, called the Knee Balancing Score (KBS), to measure and ensure the balance of knee joints during total knee replacements. The researchers looked at data from 285 surgeries and found that, on average, there was a difference of about 3 mm in the joint gaps between the inner and outer sides of the knee when fully extended and bent. This new scoring method simplifies the process of measuring knee balance, which is crucial for better stability and long-term outcomes after surgery. Who this helps: This benefits patients undergoing knee replacement surgeries.

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This study looked at how a program in England aimed to reduce unnecessary medical procedures and tests in hospitals after COVID-19. The research found that for half of the 12 procedures analyzed, usage fell significantly, with some seeing reductions between 20% and 57% by February 2022. However, for the other half, the number of procedures either stayed the same or increased, showing mixed results in reducing unnecessary care. Who this helps: This helps patients by ensuring they receive only necessary medical care.

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This study compared Greek yogurt and whey protein supplements to see how they affect bone health and inflammation in adolescent athletes during a sports season. It involved 47 athletes aged around 16, with half consuming Greek yogurt and the other half having whey protein for 16 weeks. The findings showed that while protein intake from both sources led to some changes in bone and inflammation markers, there were notable differences based on sex, particularly in osteocalcin and osteoprotegerin levels. Who this helps: This helps adolescent athletes looking to optimize their nutrition for better performance and health.

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This study focused on a rare condition called adult-onset hypophosphatasia, which makes diagnosing patients difficult due to overlapping symptoms with other diseases. The researchers reported a specific case of a patient whose low enzyme levels were misattributed to other health issues; it took a doctor’s intuition and genetic testing to finally confirm the condition. Proper diagnosis is crucial because it can prevent serious bone health problems, and coordinated care from various medical specialists is often needed. Who this helps: This helps patients with rare bone disorders and their families.

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This study looked at over 1 million patients who had non-heart-related surgeries in New York and found an increased risk of self-harm following these procedures. It showed that patients after surgery have a higher likelihood of suicidal behavior, which is an important issue that hasn't been addressed enough. Understanding this risk is crucial for improving mental health support for patients after surgery. Who this helps: Patients recovering from surgery and their healthcare providers.

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This study looked at the best surgical approaches for treating differentiated thyroid cancer (DTC) by comparing total thyroid removal to partial removal (hemithyroidectomy) in 387 patients. The results showed that 71% of those who had a partial thyroid surgery later needed a second surgery, and among those, 36% still had cancer in the remaining thyroid tissue. These findings are important because they can help doctors make more informed decisions about surgery based on a patient's specific risk factors, potentially leading to better outcomes. Who this helps: This helps patients with thyroid cancer by guiding treatment choices.

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This study focused on improving the way we identify and stage acute kidney injury (AKI) in critically ill patients using a marker called cystatin C instead of the traditional serum creatinine. The researchers found that using cystatin C identified 11% more cases of AKI and even more severe cases, which were linked to a 36% higher risk of death compared to patients who were not classified as having AKI. This matters because early and accurate detection of AKI can lead to better treatment and potentially save lives. Who this helps: This helps patients in intensive care units who are at risk of kidney injury.

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This study looked at how two types of exercise—resistance training and interval running—impact bone health in postmenopausal women. Thirteen women participated, and the researchers found that 24 hours after exercising, those who did resistance training had higher levels of specific bone markers (osteocalcin, osteoprotegerin, and sclerostin) compared to those who did interval running. This is important because understanding how different exercises affect bone health can help improve strategies for preventing bone loss in women after menopause. Who this helps: This benefits postmenopausal women looking to maintain or improve their bone health through exercise.

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This study looked at the effects of combining two cancer treatments, nivolumab and ipilimumab, on patients with certain types of advanced cancers that have a high number of genetic mutations. The researchers found that in patients with breast cancer and other solid tumors, around 33% and 32% respectively showed disease control after treatment, which is better than the expected 15%. This matters because it shows that this combination therapy could be effective for patients with high-tumor mutation burden cancers, potentially offering them a new treatment option when standard therapies fail. Who this helps: This helps patients with breast cancer and other solid tumors who have high genetic mutation levels.

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This study looked at how patients on a heart and lung support system called ECMO deal with kidney damage, a common problem in these patients. It found that up to 85% of ECMO patients suffer from acute kidney injury, and about 50% need kidney treatment, which can affect their chances of recovery. Early treatment for kidney issues can improve survival, but there isn't a clear, standard method yet for how to manage these cases effectively. Who this helps: This helps patients undergoing ECMO and their doctors.

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This study looked at how certain proteins, called multispecific proteins, can effectively bind to multiple targets while avoiding others. Researchers found that these proteins work best when they have a strong central part that recognizes common features of the targets, along with flexible sections that help distinguish between them. This understanding is important for designing new treatments that can target specific proteins related to diseases without affecting others. Who this helps: This helps patients needing more precise and effective treatments.

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This study looked at different ways to collect immune cells from the upper airways of patients with respiratory viral infections, like the flu. Researchers found that using a nasopharyngeal aspirate (NPA) gathered more immune cells—specifically monocytes and dendritic cells—than other methods, while causing similar levels of discomfort and blood contamination. This is important because better collection methods can lead to improved understanding of how the immune system responds to respiratory viruses. Who this helps: This helps doctors and researchers studying respiratory viruses and their effects on patients.

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This study looked at how electric vehicle (EV) users in the North East and West Midlands of the UK choose where to charge their cars and what influences their decisions. Researchers gathered information from 256 EV users and found that 85% preferred fast chargers, with many willing to travel up to 3 kilometers to find one. The North East showed a strong preference for cost savings when buying EVs, while environmental concerns were more important in the West Midlands. Who this helps: This helps local governments and planners who are developing charging infrastructure for electric vehicles.

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This study looked at paralytic shellfish poisoning (PSP), a dangerous condition that can affect people who eat contaminated shellfish. Researchers reviewed 152 scientific articles and found that PSP cases have been reported on every continent, with varying symptoms that depend on the region. However, a lot of the cases lacked important details about the patients, making it hard to fully understand how PSP affects people and where it comes from. Who this helps: This helps public health officials and researchers understand the global impact of PSP and improve safety measures for communities at risk.

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This study focused on a rare growth called a cutaneous horn that appeared on the vulva of an 84-year-old woman. The growth turned out to be linked to an invasive squamous cell carcinoma, a type of skin cancer. After removing the growth, the woman was not given further treatment due to her frailty, and she is currently being monitored for any signs of cancer returning. This research is important because it shows that while many cutaneous horns are harmless, some can be associated with serious cancers, so they should be examined and removed when found. Who this helps: This helps patients who may have cutaneous horns and need to understand the potential risks involved.

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This research paper focuses on the development of tiny lung models called distal lung organoids that are made from adult stem cells. These organoids can help scientists better understand how lungs heal, respond to infections, and develop tumors. The study highlights advances in creating these models, which now have improved durability and easier access to the cells needed for study, making them valuable tools for future lung health research. Who this helps: This benefits researchers and doctors looking for new treatments for lung diseases.

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Researchers studied the effects of four harmful air pollutants—benzene, toluene, ethylbenzene, and xylene (together called BTEX)—on daily death rates in 757 locations across 46 countries. They found that a small increase in BTEX levels was linked to a rise in total deaths by about 0.57%, cardiovascular deaths by 0.42%, and respiratory deaths by 0.68%. This is important because it highlights how even short-term exposure to these pollutants can lead to serious health risks, emphasizing the need for stronger air quality regulations to protect people’s health. Who this helps: This helps patients and public health officials concerned about air quality and associated health risks.

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This study looked at how effective it is for military physical therapists (PTs) to use handheld ultrasound devices while deployed to treat musculoskeletal injuries. Over six months, two PTs performed 68 ultrasounds, mainly on the foot, ankle, shoulder, and knee. They found that ultrasound improved their care decisions, helping them keep 21 soldiers in the field rather than sending them for higher-level care, and adjusted treatment plans for over half the cases. Who this helps: This benefits military personnel with musculoskeletal injuries and the physical therapists caring for them.

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This study looked at making and modifying tiny silica particles to see how changes in their surface affect their properties. Researchers found that the modified particles had more fine roughness on their surfaces and behaved differently with water, showing they were less water-attracting compared to untreated particles. These findings are important for creating materials that might be used in coatings and other applications in various industries. Who this helps: This helps manufacturers and researchers developing new materials.

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Researchers created a detailed set of images to help machines learn how to automatically remove unwanted parts from sand-cast items in custom manufacturing. This new dataset includes over 1,000 real and computer-generated images, which helps improve the training of machine learning models, making them more effective in handling the unique challenges of high-mix, low-volume production. This improvement could significantly reduce manual labor and increase efficiency in manufacturing processes. Who this helps: This helps manufacturers who work with custom parts.

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This paper corrects a previous article about a case of squamous cell carcinoma, a type of skin cancer, that developed in a growth called a cutaneous horn on the vulva. It highlights important findings about this rare cancer's presentation and encourages awareness for better diagnosis. Understanding these cases is essential for improving treatment and care for affected individuals. Who this helps: This helps patients with vulvar skin conditions and their doctors.

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This research paper reviews the potential of CAR T-cell therapy for treating glioblastoma (GBM), a deadly brain cancer with a typical survival time of less than two years. The study found that CAR T-cells can be effectively delivered through the bloodstream rather than directly into the brain and that treatments targeting multiple cancer markers can show positive results. However, long-lasting improvement remains a challenge due to the tumor's ability to vary its markers and create a suppressive environment that weakens the immune response. Who this helps: This benefits patients with glioblastoma who are looking for more effective treatment options.

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This study looked at how an individualized lifestyle program affects weight and body fat, both with and without a swallowable intragastric balloon (SIGB). Over 36 weeks, participants using the SIGB lost more weight—about 16% of their body weight compared to 10% for those without the balloon—and also lost more fat and belly fat. These results matter because they show that using the SIGB alongside a personalized lifestyle plan can lead to quicker and more significant weight loss, which is especially beneficial for reducing health risks associated with obesity. Who this helps: Patients struggling with obesity.

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This study looked at how chronic sun exposure affects the molecular rhythms in human skin. Researchers examined skin samples from 20 women aged 51-63, comparing areas protected from the sun with areas that had seen continuous sunlight. They found that only 959 genes were active in the sun-exposed skin, compared to 1,546 genes in the protected skin, with changes indicating that sun exposure disrupts the skin's normal rhythms, potentially impacting its health. Who this helps: This research benefits patients with sun-damaged skin and helps doctors understand how to better manage skin health.

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This review looked at studies that used linked administrative data to research the effects of adverse childhood experiences (ACEs), which are traumatic events children may face. Out of 309 studies examined from 1998 to 2023, most focused on health outcomes related to single types of trauma, like sexual abuse, with participants mostly under 2 years old. The findings show there is an increasing interest in studying ACEs, but the research hasn't fully explored the variety of ACEs and their combined effects. Who this helps: This research benefits healthcare providers and policymakers focused on improving outcomes for children who have experienced trauma.

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In this study, researchers looked at a young girl with Rett syndrome who developed serious gastrointestinal issues after taking trofinetide, the first approved treatment for her condition. After two months of treatment, she experienced vomiting, paleness, and fatigue, and when they tried to restart the medication, her symptoms returned within hours. This case is important because it adds to what we know about potential severe side effects of trofinetide, suggesting that doctors need to be careful when prescribing it to children with complex neurodevelopmental disorders. Who this helps: This helps doctors and families of children with Rett syndrome.

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This study looked at how adding Greek yogurt to the diet and regular exercise affects bone health and inflammation in older adults over eight weeks. It involved 48 participants, with some eating Greek yogurt and some not. Researchers found that a bone marker increased by 14% in exercisers who ate yogurt, while inflammation marker levels varied, with one group seeing an 80% increase in a certain inflammatory marker. These results suggest that dairy protein might help improve bone and immune health in older adults, but more research is needed to confirm these effects. Who this helps: This helps older adults who are active and looking to improve their bone and immune health.

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This study looked at how well local healthcare organizations in England were following national guidelines for reducing or stopping certain risky surgical procedures that don’t have strong evidence of benefit. Out of 306 local policies analyzed, only 72% of the procedures meant to be stopped and 43% of those with restricted access matched national recommendations, indicating a significant gap in adherence. This matters because if local policies don't align with national guidelines, patients may face unnecessary risks or costs from ineffective treatments. Who this helps: This benefits patients who need better assurance about the safety and effectiveness of their surgical options.

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This study looked at how health visiting services in the UK have changed during the COVID-19 pandemic. Researchers reviewed 118 documents and found that the pandemic had a widely uneven impact on babies and families, with concerns from both families and health visitors. They noted that while digital services are important for continuity, in-person visits are crucial for effective health support. This research underscores the need for better support and funding for health visiting services, particularly to address inequalities. Who this helps: This benefits families with young children, health visitors, and policymakers.

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This research focuses on improving support for Aboriginal and Torres Strait Islander parents and their babies during pregnancy and the first five years of life. The project called "Replanting the Birthing Trees" aims to replace cycles of trauma with cycles of nurturing by providing culturally sensitive care through various programs and training. By evaluating this initiative across multiple health services, the study will identify effective strategies to enhance the well-being of these families, which matters because it addresses the long-lasting effects of colonization and promotes healthier futures for Aboriginal and Torres Strait Islander communities.