DR. HAROLD BRUCE HAMILTON, M.D.

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This study looked at young people at high risk for psychosis and how problems with hearing and understanding sound affect their social abilities. Researchers found that difficulties in processing sounds impacted how quickly these individuals could think and, in turn, affected their social functioning. Specifically, they found that sound processing was directly linked to thinking speed, which then influenced how well these young people interacted socially. Who this helps: This research benefits young people at risk for psychosis and their healthcare providers.

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This study explores a new type of biomaterial made from a mixture of soft microgels and collagen, which is a key protein in our body. The researchers found that this mixture allowed collagen to form a strong, three-dimensional network quickly, creating a structure that closely resembles natural tissue. They also discovered that this material is non-toxic for cells, allows nutrients to pass through, and supports cell growth, making it a promising option for creating scaffolds to help heal and regenerate tissues. Who this helps: This research benefits patients needing tissue repair and doctors working in regenerative medicine.

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This study looked at how eye rotation during proton therapy for eye tumors affects the safety margin for treatment. They found that as eye rotation increases, the safety margin decreases, which can impact treatment effectiveness. Using a technique called nominal torsion matching (NTM), the researchers managed to maintain 61% of the safety margin, and a new approach showed even better results for some patients. Who this helps: This benefits patients undergoing proton therapy for eye cancer by improving treatment accuracy and reducing risks.

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Researchers developed a tool called OrgTRx in Queensland, Australia, to gather and visualize data on antimicrobial resistance (AMR) directly from microbiology labs. This platform collects and organizes information about how resistant germs are to antibiotics, allowing healthcare facilities to create tailored reports (called antibiograms) that show resistance trends by type of infection and location. This matters because understanding these trends helps hospitals allocate resources effectively to fight against stubborn infections. Who this helps: This helps doctors and hospitals manage and treat infections more effectively.

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This study examined brain structure changes in people at high risk for psychosis, revealing that they generally have thinner cortical areas compared to healthy individuals. Researchers analyzed data from over 1,700 high-risk patients and found that specific brain chemicals, like dopamine and serotonin, are strongly linked to these thinner areas, accounting for up to 87% of the variations in cortical thickness. Understanding these links is important because it can help shape future treatments and interventions for those at risk of developing psychosis. Who this helps: This helps patients at risk of psychosis and their healthcare providers by identifying potential targets for treatment.

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This study looked at how the COVID-19 pandemic and ongoing anti-Black racism, including events tied to the Black Lives Matter movement, affected the mental health of Black youth in Canada, focusing on 48 young people aged 16 to 30. The findings showed that these "dual pandemics" led to increased feelings of stress, fear, anger, and mental fatigue among the youth, with many reporting that racism worsened their mental health. This research highlights the urgent need to address both issues together to better support the well-being of Black youth. Who this helps: This helps Black youth and mental health professionals working with them.

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This study looked at spine problems among Indigenous adults in Cross Lake, Manitoba, focusing on how common these issues are and how they affect daily life. Nearly 90% of the participants reported having spine symptoms in the past month, with over 70% experiencing limits to their daily activities due to neck or lower back pain. Many people preferred self-care or over-the-counter medication, highlighting a strong desire for accessible treatment options. Who this helps: This benefits Indigenous patients dealing with spine issues and health care providers looking to better support their needs.

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This study looked into how to improve care for people with spine problems in Cross Lake, a remote Indigenous community in Manitoba, Canada. Researchers are developing and testing a new approach to spine care that involves a system for prioritizing patients and pathways for treatment. Their goal is to address the growing issue of spine-related disability, which affects many people, particularly in areas with limited healthcare, and has been a leading cause of disability worldwide. Who this helps: This helps patients suffering from spine disorders in underserved communities.

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This study looked at how living in socially fragmented neighborhoods affects brain responses in young people at high risk for developing psychosis compared to those who are not at risk. Researchers found that those at high risk showed significant problems in a specific brain response called mismatch negativity (MMN) when their neighborhoods were more fragmented; specifically, they had a 0.18 unit decrease in MMN for duration-based sounds. Understanding these links matters because it highlights the potential impact of community environments on mental health risks in young people. Who this helps: This helps patients at high risk for psychosis and their healthcare providers.

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Researchers surveyed medical students in Scotland to understand how much training they receive about e-cigarettes and nicotine cessation. Out of about 5,000 students surveyed, only 606 responded, revealing that 95% felt their education on e-cigarettes was insufficient, with 61% saying it wasn't mentioned at all in their curriculum. Although 72% were aware of some health risks, only 6% felt confident discussing these risks with patients, and nearly all (98%) were unaware of cessation support services. Who this helps: This helps medical students, doctors, and ultimately patients seeking to quit nicotine.

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The paper discusses the challenges faced by people with bipolar disorder in staying well and the limitations of current treatments, particularly those focused mostly on medication. It highlights the author's positive experience with a specific therapy called Interpersonal and Social Rhythm therapy, which helped them gain control over their condition and led to longer periods of wellness. Access to this type of therapy is important because it offers strategies for managing bipolar disorder beyond just taking medication. Who this helps: This helps patients with bipolar disorder and their families.

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This study looked at whether veterinarians can accurately assess a cat's body condition just by looking at photos versus inspecting them in person. The researchers found that there was a low level of disagreement among evaluators when assessing body condition scores from images, with about 50% agreement and a small margin of error of 0.61. This is important because it means using photos could help veterinarians provide better remote care and collect data for larger studies without needing to physically examine every cat. Who this helps: This benefits veterinarians and cat owners by making cat health assessments easier and more accessible.

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This study looked at how a specific protein called GCLm affects the hardening of blood vessel cells, which can lead to serious heart problems. Researchers found that when these cells experience calcification, GCLm levels increase, and this is linked to changes that make the cells lose their ability to contract. In simpler terms, higher GCLm seems to speed up the calcification process, which can harm heart health. Who this helps: This benefits patients at risk for heart disease, especially those with vascular calcification.

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This study looked at how a new chiropractic service in Cross Lake, Manitoba, changed the way adults in the Indigenous community received treatment for musculoskeletal disorders. After six months of the chiropractic program, the need for medical imaging dropped from 63.4% to 44.9%, and the use of common pain medications like NSAIDs fell from 80.5% to 53.1%. This is important because it shows that the new service is helping people manage their pain with fewer medications and less reliance on imaging, which can be costly and invasive. Who this helps: This helps patients with musculoskeletal disorders in the Indigenous community.

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This study looked at whether adding progesterone to sperm preparation could improve the chances of successful fertilization during in vitro fertilization (IVF). Researchers found that adding 10 micromolar (µM) of progesterone increased the sperm's ability to move and bind to eggs, which is crucial for fertilization, and led to successful live births from transferred embryos. In animal models, progesterone also increased fertilization rates and the number of cells in embryos. Who this helps: This research benefits couples struggling with infertility treatments like IVF.

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This study looked at the financial and economic impact of healthcare-associated infections (HAIs) in 14 countries in Sub-Saharan Africa. In 2022, there were about 4.8 million HAIs, leading to around 500,000 deaths and costing the region approximately $13 billion each year. Improving water, sanitation, and hygiene services could greatly reduce these infections and save money, showing that investing in basic health facilities has both health benefits and cost savings. Who this helps: Patients and healthcare systems in Africa.

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This study looked at a specific blood marker, called γ' fibrinogen (GPF), in patients with COVID-19 to see how it relates to the severity of the disease. Researchers found that some patients had extremely high GPF levels, with ten out of eighteen patients achieving levels that were the highest ever recorded, surpassing the previous record of 80.3 mg/dL. The higher GPF levels were linked to a greater need for advanced support like ECMO (a life support machine) and a higher risk of death, which is important for deciding how to treat COVID-19 patients. Who this helps: This helps doctors make better treatment decisions for patients with severe COVID-19.

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This study looked at resilience in Black youths in Canada, examining how factors like employment and mental health affect their ability to cope with stress. Out of 933 participants, over a third reported poor mental health, and those who rated their mental health poorly were about nine times more likely to show low resilience. These findings matter because understanding what affects resilience can help create better support and mental health services tailored for Black youths. Who this helps: This helps Black youths seeking better mental health support and their families.

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This study looked into how community leaders and healthcare workers in Cross Lake, a northern Manitoba Indigenous community, feel about implementing a new model of spine care to address back pain, which is common and severely impacts people's daily lives. They found strong support for local, non-drug treatments, better patient management, and the need for community involvement, with suggestions like reducing paperwork for staff and creating a movement program to help patients stay active. This matters because Indigenous areas often lack effective spine care, and improving these services can significantly enhance the health and well-being of community members. Who this helps: This helps patients in Indigenous communities, particularly those suffering from back pain.

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This study looked at how willing people are to share personal health information and biological samples, like blood and saliva, during health surveys. Out of nearly 2,800 participants, 20% were willing to provide blood samples, 36% saliva samples, and about 82% agreed to let their data be linked anonymously, while 17% were comfortable linking their information directly to their health records. Understanding these willingness levels is important because it helps researchers improve health surveys and ensures that they represent the wider population accurately. Who this helps: This helps researchers and health organizations improve the quality of health data collected for studies.

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This study reviewed research on how machine learning (ML) has been used in tobacco-related studies. Out of 74 studies, 22 focused on using ML to help people quit smoking, 32 analyzed tobacco content on social media, 6 classified smoker status based on clinical narratives, and 14 predicted tobacco-related outcomes using various data sources. This research is important because it shows how ML can improve tobacco control efforts and guide future research and policies. Who this helps: This helps researchers and public health officials working to reduce tobacco use.

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This study focused on adapting a telephone genetic counseling program for Latina breast cancer survivors who may be at risk for hereditary breast and ovarian cancer. Researchers first evaluated existing materials and then interviewed 14 Latina survivors to gather feedback on the changes. They found that making the program available in Spanish and addressing specific cultural values significantly improved its relevance and usability, ultimately helping to ensure that these women receive better cancer care. Who this helps: This benefits Latina breast cancer survivors looking for genetic counseling services.

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The study looked at how to effectively assess and improve biodiversity in the U.S. through the National Nature Assessment (NNA). It found that a comprehensive review of biodiversity can help track the decline of species and ecosystems, while also suggesting that the U.S. can learn from global efforts to handle biodiversity loss. By using accessible data and involving various stakeholders, the NNA aims to create a more effective strategy for protecting nature. Who this helps: This helps conservationists, policymakers, and communities dedicated to preserving the environment.

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This research examined how stroke nurses in Australia and the UK help give a medication called rt-PA to treat strokes. It found that UK nurses were more likely than Australian nurses to perform important tasks such as checking if patients were suitable for the medication, which corresponded with higher treatment rates of 12% in the UK compared to 7.8% in Australia. The study highlights that increasing the responsibilities of stroke nurses could lead to more patients receiving rt-PA, ultimately improving outcomes for those who have suffered a stroke. Who this helps: This helps stroke patients by potentially increasing their access to effective treatment.

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This study looked at how alcohol consumption in Canada changed during the COVID-19 pandemic and how these changes were linked to feelings of anxiety, depression, and loneliness. Researchers surveyed nearly 5,900 adults and found that those with mild to moderate anxiety were 23% more likely to drink more alcohol, while those with severe anxiety were 49% more likely to increase their drinking compared to people with low or no anxiety. This matters because higher alcohol consumption can lead to health problems, highlighting the need for healthcare providers to support individuals who are struggling with mental health issues during difficult times. Who this helps: This study benefits patients who are experiencing anxiety, depression, or loneliness.

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This study looked at how COVID-19 affects people with spondyloarthritis (a type of inflammatory arthritis) and whether their treatments impact their risk of getting the virus. It involved 4,723 participants worldwide, including 3,064 from the US, and found that only 159 tested positive for COVID-19, indicating that people with spondyloarthritis do not have a higher risk of contracting the virus or experiencing more severe symptoms because of their condition or treatments. This matters because it offers reassurance to both patients and doctors about the safety of continuing treatment for spondyloarthritis during the pandemic. Who this helps: Patients with spondyloarthritis and their doctors.

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This study examined the habitats of 2,216 endangered plants and animals in the United States to identify areas where better protection is needed. Researchers found that many imperiled species, such as certain freshwater mussels and butterflies, are concentrated in regions like the northern Sierra Nevada and Florida's Lake Wales Ridge, which have not been previously highlighted in conservation efforts. Importantly, over half of the habitat for many of these species is on federal lands, suggesting that enhancing their protection could lead to significant conservation gains. Who this helps: This research benefits conservationists and land managers focused on protecting endangered species.

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This study looked at how to predict e-cigarette use and dependence among young people in Ontario, using data from over 6,400 elementary and high school students. They found that 31.9% of students had tried vaping, and 7.6% used e-cigarettes daily. The research identified that factors like using caffeine, cannabis, and tobacco were closely linked to daily vaping, and many predictors of e-cigarette use varied by ethnicity. Who this helps: This benefits public health officials and educators working to create targeted prevention programs for youth.

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This study looked at how many people in Canada were using cannabis daily during the COVID-19 pandemic, analyzing data from over 6,000 adults between May and December 2020. The researchers found that daily cannabis use stayed around 5.34% to 6.10% throughout this period. Certain groups, like young adults (18-29 years old) and men, were more likely to use cannabis daily, as well as those who felt lonely or worried about financial issues caused by the pandemic. Who this helps: This information benefits public health officials and mental health professionals who are working to understand substance use during crises.

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This study explored the evolutionary relationships among seahorses, seadragons, and their relatives, using genetic data from 244 new specimens across 117 species to create a comprehensive family tree. Researchers discovered nine groups that were not as closely related as previously thought, identified seven hidden species, and found that many lineages began in the Central Indo-Pacific. These findings, which highlight how environmental changes have shaped the diversity of these unique fish, are important because they help us understand the historical patterns that influence species survival and adaptation. Who this helps: This helps researchers and conservationists working to protect marine biodiversity.

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This study looked at how economic and neighborhood factors affect the time critically ill children spend in intensive care when they have severe sepsis. Researchers analyzed data from 73 patients and found that, on average, these children stayed in the Pediatric Intensive Care Unit (PICU) for about 9 days. Importantly, the study concluded that socioeconomic conditions did not significantly impact how long these children were in the ICU, indicating that other factors may play a more crucial role in their recovery. Who this helps: This helps healthcare providers and hospital administrators understand that factors beyond socioeconomic status may not influence ICU length of stay for these critically ill children.

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This study looked at retired racing greyhounds and show-bred greyhounds to see how exposure to certain diseases spread by insects affected their blood and urine health. Researchers found that 7 out of 30 retired racing greyhounds tested positive for at least one vector-borne disease, compared to just 1 out of 28 show-bred greyhounds, highlighting that retired racing dogs are more at risk. Although some blood abnormalities were found, the overall levels of issues like low platelets and proteins in urine were not significantly tied to these diseases. Who this helps: This information helps veterinarians and dog owners understand potential health risks for retired racing greyhounds.

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This study looked at ways to increase colorectal cancer screening rates in 11 clinics in rural Appalachia, where rates are currently between 22% and 30%. Researchers interviewed 26 staff members and 60 patients aged 50-75 and found that while staff saw the benefits of screening, barriers included issues like poor medical record systems and transportation challenges. Patients were generally willing to get screened if recommended, but they often did not feel confident about preventing cancer themselves and faced financial and logistical obstacles. Who this helps: This helps patients in rural areas who need better access to cancer screenings.

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This study looks at how improving water, sanitation, and hygiene (WASH) can help control and eliminate neglected tropical diseases (NTDs). It highlights the importance of teamwork between different sectors to meet goals set for 2021-2030, which aim to ensure that everyone has access to necessary health resources. Stronger partnerships in WASH and health can help achieve these critical goals, especially in communities suffering from NTDs. Who this helps: Patients affected by neglected tropical diseases and the communities they live in.

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This study looked at how brain activity, specifically a response called the P300, related to the risk of developing psychosis in people with a history of autism. Researchers analyzed data from 304 individuals at high risk for psychosis, with 14 having autism. They found that those with both conditions showed a stronger brain response (enhanced P300) when processing certain stimuli, which is different from what is typically seen in others at risk for psychosis, where a weaker response is expected. This insight is important as it suggests that individuals with autism may have a unique way their brains respond to potential psychosis, indicating they might need different kinds of monitoring and care. Who this helps: This helps doctors and mental health professionals working with patients who have autism and are at risk for psychosis.

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This study looked at whether having a driver's license affects the behavior of young people in Ontario, specifically comparing those who drive with those who don't. Researchers found that about 68% of youths aged 16-19 had obtained a driver’s license, and having a license was linked to better academic performance and social connections, but also to increased alcohol use and binge drinking. This matters because while a driver's license can provide independence and promote positive behaviors, it also creates opportunities for risky drinking habits that could harm health. Who this helps: This benefits parents, educators, and public health officials.

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This study focused on how two proteins, SOX9 and RBPJ, affect the transition of blood vessel cells to a different type of cell involved in scarring, which can lead to disease. The researchers found that when they removed SOX9 from blood vessels in mice, it decreased the number of certain regenerative cells and significantly reduced scarring after skin wounds, with scar areas shrinking by 50%. In contrast, blocking RBPJ had the opposite effect, leading to more scarring. Who this helps: This research can benefit patients with conditions that cause excessive scarring, such as those recovering from surgery or injury.

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This study looked at how a specific genetic marker called HLA-B27 affects the severity of axial spondyloarthritis (AxSpA) in patients. Researchers found that among 3,435 patients, those with the HLA-B27 marker had lower disease activity scores, averaging 4.34, compared to 4.92 in those without the marker. This difference means that patients with mild back pain who test positive for HLA-B27 are likely to be diagnosed with AxSpA more often, which could impact how their condition is treated. Who this helps: This helps patients with mild back pain and doctors diagnosing axial spondyloarthritis.

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Researchers compared two methods of a fertility treatment called intracytoplasmic sperm injection (ICSI) to see which one led to more successful fertilizations. They found that the new technique, PIEZO-ICSI, had a fertilization rate of 80.5% compared to 65.8% for standard ICSI and resulted in fewer unhealthy fertilizations and embryo losses. This is important because it means patients, especially those over 38, can have more viable embryos ready for potential pregnancy attempts, increasing their chances of success. Who this helps: This benefits patients undergoing fertility treatments.

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This study looked at how the global food supply system might be disrupted by various shocks, such as natural disasters or economic changes. Researchers found that these disruptions can lead to price increases and supply shortages worldwide, and identified that relying heavily on specific crops and technologies makes the system more vulnerable. They also noted the rise of social media and automation as new factors that could impact food stability. Who this helps: This information benefits food industry professionals, policymakers, and consumers who want to understand food supply risks.

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This study looked at how traumatic brain injuries (TBI) affect problem gambling among young people in Ontario, Canada. Researchers found that adolescents with a history of TBI are more likely to have gambling problems, with a likelihood increase of 2.0 times even when considering factors like heavy drinking and suicidal thoughts. This is important because it highlights a connection that could influence how we treat and prevent gambling issues in youth with brain injuries. Who this helps: This benefits patients, particularly adolescents who have experienced traumatic brain injuries.

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This paper looks at the role of nurses in investigating deaths and highlights that many nurses don't consider this as a career path. It finds that forensic nurses are equipped with the necessary skills to take on important positions, such as coroners or investigators. This matters because it opens up new career opportunities for nurses, allowing them to contribute significantly to the field of death investigations. Who this helps: This helps nurses and healthcare professionals by showing them potential career paths in medicolegal death investigation.