THOMAS M. DAVISON, MD

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This research studied the presence of a type of parasite in caribou across different regions in Canada. The researchers found that 8 out of 768 blood samples tested positive for the parasite at a rate of 0.5%, while a more sensitive testing method identified the parasite in 68 out of 192 samples, or 35.4%. This is important because it helps us understand how climate change may be affecting the spread of these parasites, which are crucial to the health of caribou and the Indigenous communities that rely on them. Who this helps: This benefits patients and Indigenous communities that depend on caribou for their health and food security.

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This study explored how certain emotional traits, like how strongly emotions influence a person's actions and their discomfort with uncertainty, connect to feelings that could lead to suicide. Researchers surveyed 169 people, finding that those who let their feelings shape their worldview felt more like a burden to others and had a sense of not belonging, while those who reacted impulsively to emotions felt more capable of taking suicidal actions. Importantly, the study found that being uncomfortable with uncertainty might actually protect against having the capability to attempt suicide, even if it doesn't change feelings of burdensomeness or belonging. Who this helps: This research benefits mental health professionals and suicide prevention advocates.

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This study focused on finding better ways to determine the age of muskoxen, which is important for managing their populations. Researchers looked at three methods and analyzed a total of 260 mandibles (jawbones) and teeth from muskoxen harvested in Canada. They found that measuring the length of the jawbone was the best way to estimate age accurately for younger animals, achieving an accuracy of about 92%, and they created a new guide to help with this process. Who this helps: This helps wildlife managers and conservationists improve muskoxen population management.

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The study evaluated a mobile phone app called LogMyScan, designed for tracking ultrasound scans. Out of 49 people who tried the app, 42 reported it was easy to use and found its features helpful, with a reliability score between 0.86 and 0.87 indicating they liked both existing and proposed features. These findings are important because they suggest that LogMyScan could improve how healthcare providers manage and review ultrasound images, ultimately leading to better patient care. Who this helps: This benefits healthcare providers and patients who rely on ultrasound diagnostics.

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This study looked at how young female rats affected by a substance called valproic acid (VPA), which can cause autism-like symptoms, handle attention tasks. The researchers found that these rats struggled more than regular rats when it came to shifting their attention, and their brains had enlarged areas associated with decision-making. Specifically, the rats with the biggest brain changes performed the worst on the tasks, which reflects similar issues seen in adolescent girls with autism. Who this helps: This helps researchers and medical professionals working on autism treatments.

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This study looked at how livestock contribute to greenhouse gas emissions and the best ways to reduce those emissions while considering social and economic impacts. It found that a large portion (66%) of these emissions come from low- and middle-income countries, where 80% of meat production growth will happen in the next decade, yet most reduction strategies are aimed at wealthier nations. The authors argue that it's crucial to adopt more comprehensive methods that balance environmental, social, and economic benefits to effectively tackle emissions and support sustainable livestock practices. Who this helps: This benefits farmers, policymakers, and communities in low- and middle-income countries.

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This study looked at the current state of muskoxen, a species important to the Arctic ecosystem, and how their populations have changed recently. Researchers found that while there are about 170,000 muskoxen globally, six populations are declining, with one of these having been the largest population just a few years ago. This matters because understanding their population changes helps address the challenges they face from climate change, habitat loss, and diseases. Who this helps: This helps conservationists and wildlife managers working to protect muskoxen and their habitats.

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Researchers studied a bacteria called Erysipelothrix rhusiopathiae, which has been linked to deaths in muskoxen in Arctic regions. They tested blood samples from muskoxen collected between 1976 and 2017 and found that 27.8% of the samples showed exposure to this bacteria, with instances of higher exposure in areas where muskox populations were declining. This matters because understanding how this pathogen affects muskoxen is crucial for both wildlife health and the communities that rely on these animals for food and cultural practices. Who this helps: This helps indigenous communities and wildlife managers in the Arctic.

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This research focused on a newly recognized germ called Erysipelothrix rhusiopathiae found in muskoxen, a type of Arctic animal. The study identified this germ as a significant cause of disease in muskoxen populations, with findings showing that about 30% of the tested animals had antibodies against it, indicating prior infections. Understanding this pathogen is important because it helps in managing the health of muskoxen, which are vital to their ecosystems and the cultures that depend on them. Who this helps: This helps wildlife veterinarians and conservationists working with muskoxen.

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Researchers analyzed data from over 200 studies tracking animal movements in the Arctic over the past 30 years to understand how climate change is affecting wildlife. They found that eagles are migrating at different times due to climate changes, caribou are adapting their reproduction differently depending on their locations, and terrestrial mammals are moving more slowly as temperatures rise. This information is crucial for understanding the impact of climate change and helping us protect these species and their habitats. Who this helps: This helps wildlife conservationists and policymakers working to protect Arctic ecosystems.

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This study looked at the presence of a bacteria called Brucella in muskoxen across various locations in the Canadian Arctic from 1989 to 2016. Researchers found that the number of muskoxen with Brucella antibodies in the Cambridge Bay area rose significantly from just 0.9% in 1989-2001 to 5.6% in 2010-2016, suggesting an increase in the bacteria among these animals. This matters because Brucella can affect both wildlife health and potentially pose risks to human health, especially for those who hunt or consume muskoxen. Who this helps: This research helps local communities, hunters, and health officials who need to be aware of the risks associated with consuming muskoxen.

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This study focused on improving how robots detect chemicals in various situations, like search and rescue or drug detection. Researchers compared two algorithms for robotic exploration: a traditional method and a new one called RapidCell. They found that the RapidCell algorithm allowed robots to explore areas much better, covering more ground and avoiding getting stuck; for instance, it helped detect chemicals in environments with multiple sources, whereas the traditional method often got trapped at the first one it found. Who this helps: This benefits engineers and scientists developing robotic systems for hazardous situations.

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This study developed a new method to analyze large sets of biological and clinical data in order to better understand complex diseases. By applying this method to data on ovarian cancer, researchers found more stable and relevant patient groups than before, leading to better predictions of patient outcomes. This is important because it can help doctors tailor treatments more effectively based on individual patient profiles. Who this helps: This benefits patients with complex diseases, particularly those with ovarian cancer.

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This study looked at how certain gene indicators in patients with ulcerative colitis (UC) can predict their response to a drug called golimumab. Researchers found that these gene indicators could identify which patients would achieve mucosal healing—meaning their intestines would show improvement—within the first 6 weeks of treatment about 69% of the time, but they didn't effectively predict overall clinical remission or response. This matters because understanding who will benefit from this medication can help doctors tailor treatments and improve patient outcomes. Who this helps: This helps patients with ulcerative colitis and doctors treating them.

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This study looked at stress levels in muskoxen using their qiviut, or undercoat wool. Researchers measured cortisol, a stress hormone, in 150 wild muskoxen and found that cortisol levels varied widely, ranging from 3.5 to 48.9 picograms per milligram, with males showing higher levels than females. These findings, which also showed increased stress from 2013 to 2015 and seasonal differences, are important for understanding how climate change and human activities impact muskoxen health and conservation strategies. Who this helps: This benefits conservationists and wildlife managers working to protect muskoxen.

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This study looked at a group of parasites called protostrongylids that can cause diseases in caribou in the Canadian Arctic. Researchers created a guide to help identify these parasites based on the differences in their larvae, finding that two species were present in certain caribou herds but overall infection rates were low. Knowing how to recognize these parasites and understanding their distribution is important for managing the health of caribou populations. Who this helps: This helps wildlife biologists and veterinarians working with caribou.

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This study looked at how accurately and consistently a new method of measuring bone conduction sound works for people with one-sided hearing loss using Baha sound processors. Researchers tested 138 adults and found that measuring bone conduction directly through the implant gave better results compared to traditional methods, with a test reliability of ±5 dB, which is acceptable in hearing tests. This is important because it means adjustments to the sound processor can be more precise, leading to better hearing outcomes for patients. Who this helps: This benefits patients with single-sided hearing loss using Baha sound processors.

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This research studied a new method called gene expression compositional assignment (GECA), which helps scientists validate gene information across different data sets and technologies without needing to adjust the data first. The researchers found that GECA is particularly effective in identifying and correcting mislabelled cancer cell lines, such as discovering that the commonly used ovarian cancer cell line OVCAR-5 actually comes from the gastrointestinal tract. This matters because it enhances the accuracy of cancer research and treatment by preventing the use of incorrect data in studies. Who this helps: This helps researchers and patients by ensuring more accurate cancer research and treatment options.

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This study looked at a harmful bacteria affecting animals like muskoxen, caribou, and moose in the Arctic and boreal regions, where climate change is impacting wildlife. Researchers found that the bacteria varies a lot between locations; for example, muskoxen in the Canadian Arctic had similar bacteria, while caribou and moose showed a mix of different strains, suggesting that deaths among these animals aren’t caused by just one type of bacteria. Understanding these patterns is crucial for wildlife conservation and the indigenous communities that rely on these animals. Who this helps: This helps wildlife conservationists, local communities, and researchers studying animal diseases.

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This study looked at how well staff in care facilities follow guidelines to manage difficult behaviors in people with dementia. It found that when staff received both a workshop and hands-on support while using these guidelines, their compliance improved significantly, but this did not lead to better outcomes for residents. This matters because understanding how to best support staff could lead to better care for those with dementia. Who this helps: This benefits patients with dementia and the staff caring for them.

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This study looked at a 15-gene test used to predict outcomes for patients with early-stage non-small-cell lung cancer after their tumors have been removed. Researchers found that the test performed well using RNA-stabilized tissue, with a 94% agreement compared to results from a reference laboratory, indicating it works effectively in this new format. This is important because it allows for more efficient testing without sacrificing accuracy, helping to guide treatment decisions for patients. Who this helps: Patients with early-stage non-small-cell lung cancer.

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The researchers created an interactive computer model called Prokaryo to simulate and visualize how the lactose operon works in the bacterium Escherichia coli. They integrated various cell components and molecular interactions in a 3D environment, allowing users to see how genes responsible for lactose processing are regulated. This model can help scientists better understand complex biological processes and can be used to improve laboratory experiments. Who this helps: This helps researchers and educators in biology and medicine.

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This study looked at how stable bone-anchored hearing devices (BAHD) are in children by measuring them using a technique called resonance frequency analysis (RFA). Researchers found that after surgery, the devices were stable enough to use as early as one week, with average stability scores (called Implant Stability Quotients or ISQ) of around 61 at surgery and rising to 63 by 16 weeks. This is significant because it means that children can start using their hearing devices sooner, which can improve their hearing process and overall development. Who this helps: This helps children who need hearing devices and their families.

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This study explored how staff in nursing homes view and manage challenging behaviors in residents with dementia, focusing on common issues such as shouting, wandering, and restlessness. Out of 247 staff surveyed, they found these behaviors were not only frequent but also difficult to manage, with a particular need for more effective communication among staff to improve care strategies. Addressing these behaviors more effectively can lead to better outcomes for residents. Who this helps: This helps nursing home staff and residents with dementia.

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This study looked at how short bursts of light can create movement in magnetic waves within a material. Researchers found that these light pulses generate specific patterns of spin waves, including an interesting X-shaped formation. Understanding this process is important because it can lead to better technologies in data storage and processing. Who this helps: This research benefits engineers and scientists working on advanced magnetic technologies.

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This study looked at how well children do after having tympanostomy tubes (grommets) placed in their ears and the follow-up care they received. Out of 123 children who had the procedure, 82 (67%) went to a follow-up appointment with an audiologist. Most of these children either improved and were discharged (53 or 43%) or missed their appointment (13 or 11%), leading to a significant 54% decrease in those needing further care from ear specialists. This matters because proper follow-up can help identify any ongoing issues early and reduce the burden on specialized services. Who this helps: Children who have had tympanostomy tubes inserted and their families.

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This study looked at how a training program could help care staff better recognize and handle depression in patients receiving palliative care and their families. Out of 90 caregivers who went through the training, they showed significant improvements in knowledge, self-confidence, and overcoming challenges in dealing with depressed patients. Three months later, they still retained knowledge and self-efficacy skills, but their attitudes did not improve as much, which highlights the need for additional training sessions to keep these skills strong. Who this helps: This helps caregivers who support patients and families in palliative care.

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This study looked at the presence of a bacteria called Mycobacterium avium subspecies paratuberculosis (MAP) in caribou herds across parts of Canada and Greenland. Researchers tested 561 fecal samples from ten different herds and found MAP in 31 samples across eight populations, with notably high rates in Greenland's Akia-Maniitsoq herd (23.4% positive), as well as 11.5% and 10.0% in two herds in northeastern Canada. Understanding how this bacteria affects caribou health is important because it could impact wildlife management and conservation efforts. Who this helps: This helps wildlife managers and conservationists working to protect caribou populations.

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This study looked at the stability of new bone conduction hearing implants (BAHA) when they are used just four weeks after surgery. Researchers measured how stable the implants were over time using a device that gives a score called the implant stability quotient (ISQ). They found that the average stability score increased from 0 at surgery to 1.21 after four weeks and to 1.60 at sixteen weeks, showing that the implants were safe to use early on. This is important because it means patients can start benefiting from their hearing devices sooner. Who this helps: Patients receiving bone conduction hearing implants.

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This study focused on improving bone-anchored hearing aid (BAHA) services in the UK by gathering input from hearing professionals. A group of clinicians created 33 consensus statements about how BAHA services should be developed, which were agreed upon by at least 75% of respondents. This is important because it helps ensure consistent and high-quality hearing care for patients needing BAHA services. Who this helps: This helps patients who rely on bone-anchored hearing aids for better hearing.

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This study looked at how bone-anchored hearing aids and Softbands help children and young adults with hearing loss at Freeman Hospital in the UK. Researchers found that these devices significantly improve quality of life, with 87% of patients not needing additional help after using them. The average improvement measured was a score of +29, indicating meaningful benefits across educational and social areas. Who this helps: This helps children and young adults with hearing impairments and their families.

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This study looked at the levels of a specific microRNA, miR-10a, in patients with a type of blood cancer called acute myeloid leukemia (AML) who have intermediate-risk characteristics and NPM1 gene mutations. Researchers found that NPM1 mutant patients had significantly higher levels of miR-10a, which was linked to lower levels of a gene called MDM4, impacting the cancer's behavior. Understanding these relationships is important because they could lead to new ways of treating or managing this type of leukemia. Who this helps: This helps patients with intermediate-risk acute myeloid leukemia.

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This study focused on improving how doctors predict which stage II colon cancer patients might have their cancer return after surgery. Researchers created a gene test using tissue samples from 73 patients who had recurrences and 142 patients who did not. They found that their gene signature could effectively identify high-risk patients, showing a strong link to disease recurrence (2.53 times greater risk) and cancer-related death (2.21 times greater risk) in an additional group of 144 samples. Who this helps: This helps patients with stage II colon cancer by better identifying those who need closer monitoring after surgery.

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The study looked at different methods for addressing "batch effects," which are unwanted differences in sample data that can interfere with research results in microarray experiments. Researchers tested various techniques on 120 specific data sets and found that several methods, like Ratio-G and Ratio-A, effectively enhanced prediction accuracy in 89% and 85% of the cases, respectively. This is important because better handling of batch effects can lead to more reliable outcomes in gene expression studies, improving the overall quality of research findings. Who this helps: This benefits researchers and scientists working with genetic data, ensuring their results are more accurate and dependable.

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This study looked at why doctors and caregivers often miss signs of depression in older people. Researchers spoke with 42 healthcare professionals and found that many focus only on physical health, which leads to missed opportunities for addressing mental health issues. Barriers included not having enough staff, lack of ongoing care, older patients being hesitant to talk about their feelings, and negative attitudes about mental health care. Improving training for caregivers could help tackle these issues. Who this helps: Patients, especially older individuals dealing with depression.

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This study looked at how well professional caregivers understand and can manage depression in older adults. Researchers interviewed 38 people, including caregivers and doctors, and found that all of them agreed there is a big gap in knowledge about depression among care staff. Specifically, they highlighted problems with recognizing, detecting, and managing depression in older adults and emphasized the need for better training in these areas. Who this helps: This benefits professional caregivers and the older adults they care for.

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This study explored how family members of elderly individuals with depression view the skills of professional caregivers in recognizing and managing depression. It found that family members believe caregivers often avoid discussing depressive symptoms and tend to lack communication with doctors, with many feeling that caregivers are undertrained in dealing with these issues. This matters because improving the skills of professional caregivers can lead to better identification and management of depression in older adults. Who this helps: This helps patients and their families by ensuring better care for elderly individuals dealing with depression.

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The study looked at why caregivers often don't recognize and address depression in elderly clients. It found that while the elderly generally viewed their carers positively, they felt that caregivers lacked sufficient knowledge about depression and that communication about mood was poor. This matters because better recognition and support for depression can significantly improve the quality of life for older adults. Who this helps: This helps elderly patients receiving care and their caregivers.

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This study explored how adding a directional microphone to bone-anchored hearing aids affects the quality of life for patients with hearing loss. After using the directional microphone for 12 weeks, participants reported an overall benefit increase of 49.7 points on a quality of life scale, with specific improvements in general well-being (+57.4), physical health (+42.6), and social interactions (+25.9). This improvement is significant because it shows that upgrading hearing aids in this way can make a meaningful difference in patients' lives. Who this helps: This helps patients with conductive or mixed hearing loss using bone-anchored hearing aids.

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This study explored a new method called SonoPrep, which uses ultrasound to prepare the skin for better electrical measurements in medical tests. The researchers found that skin impedance (which can interfere with these tests) dropped to an average of 1.9 kiloohms with SonoPrep, compared to 18.7 kiloohms with another method called QuikPrep and 97.2 kiloohms with mechanical abrasion. This is important because lower skin impedance helps improve the accuracy and reliability of electrophysiology measurements, which are essential for diagnosing heart and nerve conditions. Who this helps: This helps patients who undergo electrophysiology tests and doctors who perform these procedures.

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This study looked at how satisfied older residents in care facilities are with the treatment they receive for depression. Out of 31 participants, more than half felt satisfied with their medical treatments, but many expressed concerns about the effectiveness of the care, the length of appointments, and the lack of attention to their symptoms. Improving training for doctors who treat depression in aged care could lead to better outcomes for these patients. Who this helps: This helps older adults living in care facilities who are dealing with depression.

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This study looked at how common depression is among older adults living in hostels who have cognitive impairment. It found that 38.9% of these individuals have depression, but only half of them had been diagnosed before. This matters because it highlights a significant gap in recognizing and treating depression in this vulnerable group. Who this helps: This helps older adults with cognitive impairment and their caregivers.

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This study looked at how different groups of patients benefit from using bone-anchored hearing aids (BAHA), a device that helps people with hearing loss. Researchers surveyed 94 patients and found that, overall, they reported a quality of life improvement score of +33.3 out of +50, with specific groups experiencing even greater benefits; for example, patients with congenital ear problems scored +45. This matters because understanding which groups benefit the most can help doctors provide better guidance to patients considering this hearing aid. Who this helps: Patients with hearing loss, especially those with congenital ear disorders or those recovering from acoustic neuroma surgery.

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This study looked at how bone-anchored hearing aids (BAHA) improve the quality of life for patients. Researchers found that patients reported a general benefit score of +34, indicating a significant improvement in life quality after receiving the device, particularly among those with specific hearing issues. Most notably, the social benefits scored +21, highlighting positive impacts on social interactions. Who this helps: This benefits patients with hearing loss, especially those with congenital conditions or complications from ear surgeries.

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This study looked at how a specific approach to managing labor, called active management, impacts how satisfied women feel about their care during labor. It involved 651 first-time mothers, and nearly three-quarters responded to a satisfaction survey after giving birth. The findings showed that 77% of women were satisfied, and key factors that contributed to this satisfaction included good pain relief, having a midwife dedicated to them, and fewer vaginal exams during labor. Who this helps: This helps new mothers and healthcare providers in improving the labor experience.

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This study looked at whether a method called active management of labor could help first-time mothers have shorter labors and lower rates of cesarean sections. They found that active management did not reduce the number of cesarean sections (about 9.4% compared to 9.7% with routine care), but it did make the early phase of labor shorter—by about 50 minutes on average. This is important because it shows that while active management can speed up labor, it doesn't negatively impact how satisfied mothers feel with their care or their babies' health. Who this helps: This helps first-time mothers in labor.

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This study looked at how getting a bone-anchored hearing aid (BAHA) affects quality of life for patients. Researchers found that patients reported a big overall improvement, with a quality of life score increase of +40, which is similar to the improvements seen after middle ear surgery but slightly less than after cochlear implants. The social benefits were especially notable with a score of +27, indicating that the BAHA significantly helps people’s social experiences and interactions. Who this helps: This benefits patients with hearing loss, especially those who have had other ear surgeries or conditions.