DR. KAREN RENEE UNDERWOOD, MD

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This study looked at the General Surgery Fellowship Examination to see if it was fair and whether it showed any gender bias between 2018 and 2022. Out of 811 candidates, 520 (64%) passed the exam, with similar pass rates for men (63%) and women (67%). The researchers found the exam had a high level of reliability and consistency, concluding there was no systemic gender bias in the scoring. Who this helps: This benefits both surgery candidates and examiners by ensuring a fair examination process.

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This study looked at how robotic-assisted surgery (RAS) is being used in rural areas of Australia, focusing on a specific public hospital's experience. The research found that while RAS improves surgery outcomes by providing better precision and quicker recovery, it is mainly available in cities, which leaves rural patients at a disadvantage. To make RAS accessible in these areas, there is a need for better training, funding, and support systems. Who this helps: This helps rural patients who need surgical care.

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This study looked at how the age of larval zebrafish affects their ability to recover from spinal cord injuries. Researchers found that younger zebrafish (3 days old) had a stronger ability to regrow nerve connections compared to older ones (7 days old), with significant differences in their immune responses and swimming behaviors after injury. Understanding these age differences is crucial for improving research into spinal cord recovery and developing more effective treatments. Who this helps: This helps researchers studying spinal cord injuries and could improve therapies for patients with similar injuries.

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This study looked at how different types of fat in pig feed affect growth and meat quality in pigs raised for slaughter. They found that pigs fed diets with high oleic soybean oil or choice white grease gained weight faster and had better feed efficiency compared to pigs that didn't get any added fat. Specifically, from day 14 to 28, the pigs on fat-supplemented diets grew significantly better, while the meat from these pigs had higher levels of healthy fats. Who this helps: This research benefits farmers and the pork industry by helping them improve both pig growth and meat quality.

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The National Beef Quality Audit-2022 studied the condition of cattle and their by-products in the U.S. beef industry by examining nearly 7,000 cows and bulls at processing plants. It found that 37.8% of cattle were free of mud contamination, while 66.7% of cows and 46.4% of bulls had carcass bruising. Additionally, almost half of livers and other organ parts were not suitable for use, largely due to contamination or abscesses; notably, 25.4% of cows were pregnant, which is an increase compared to earlier years. This research helps identify where improvements are needed in cattle welfare and product quality, ultimately benefiting both producers and consumers. Who this helps: This helps farmers, meat processors, and consumers.

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This study looked at how feeding high oleic soybeans (a special type of soybean) to broiler chickens compared to traditional soybean meals affected their growth, blood health, and meat quality. The researchers found that chickens fed high oleic soybeans grew better and had more healthy fat in their meat: they gained about 10.6% more weight than those fed regular conventional soybeans. This matters because it shows that high oleic soybeans could be a better protein source for producing high-quality chicken meat. Who this helps: This helps poultry farmers and consumers looking for healthier meat options.

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This study looked at how different feeding methods (grain-finished vs. grass-finished) affect the taste and tenderness of bison steaks. Researchers found that grain-finished steaks had higher overall and flavor ratings from consumers, while grass-finished steaks were rated higher for aroma, but also had undesirable flavors like ammonia and metallic notes. Additionally, grain-finished steaks became more tender as they aged, while grass-finished steaks were tenderer at first but did not improve in tenderness with aging. Who this helps: This research benefits consumers who want to know about meat quality and helps farmers choose feeding strategies for better steak flavor and tenderness.

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This study looked at how different types of plant communities and grazing management affect beef cattle during their early growth phase and the quality of meat they produce. Researchers assigned 134 young steers to pastures managed at low, moderate, and high stocking rates from 1942, and found that while variations in plant diversity did not change weight gain or meat quality, pastures with lower vegetative diversity from high stocking rates actually led to higher beef production and better economic returns. This matters because it shows that managing grazing intensity can boost profitability for beef farmers without compromising meat quality. Who this helps: This helps beef farmers looking to increase their profits.

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This study looked at how the age of larval zebrafish affects their ability to recover from spinal cord injuries. The researchers tested zebrafish at 3, 5, and 7 days old and found that younger fish (3 days old) were better at regenerating nerve connections compared to older fish. This is important because understanding how age influences recovery can help improve treatments for spinal cord injuries. Who this helps: This benefits researchers and doctors working on spinal cord injury treatments.

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This study analyzed the quality of beef from over 4.4 million cattle over one year, focusing on traits like fat thickness and marbling. It found that the average USDA Yield Grade was 3.26, with 74.84% of the beef graded as Choice and 8.19% as Prime. Understanding these quality traits is important for improving beef quality and meeting consumer demand. Who this helps: This benefits beef producers and consumers looking for high-quality meat.

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The National Beef Quality Audit-2022 examined the quality of cattle and their carcasses across 22 processing facilities in the U.S., studying nearly 30,000 animals. The findings showed that while there was more space per animal during transport, travel times increased, and there was a significant rise in bruises on carcasses, with 47.7% of them showing none at all—a 13.4% increase from 2016. This research is crucial for improving cattle treatment and meat quality, which ultimately impacts the beef industry’s efficiency and public health. Who this helps: This helps cattle farmers and meat processing companies improve their practices.

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This study examined how patients who experienced a stillbirth before labor were delivered, using data from California between 2007 and 2011. Among 7,813 patients, 18.9% had a cesarean delivery, with rates differing based on previous delivery experiences and other factors. The findings indicate that many women who tried labor ended up delivering vaginally, highlighting an opportunity to support more vaginal births in these situations. Who this helps: This research benefits patients facing stillbirth, as well as healthcare providers managing their care.

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This study looked at how aging affects the ability of female mice to deal with oxidative stress, which can damage their cells. Researchers found that in control mice, many proteins that help cope with oxidative stress changed between the ages of 13 and 27 months, especially during the transition to reproductive decline. In comparison, mice that received transplants of young ovarian tissues showed a significant drop in these protective proteins, indicating that ovaries can influence health and resilience to stress even without their typical hormone, estradiol. Who this helps: This research benefits doctors and scientists studying aging and female reproductive health.

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This study looked at how adding a supplement called zilpaterol hydrochloride (ZH) affects the growth, carcass traits, and meat quality of steers with different breed backgrounds. Researchers found that ZH improved the size of a specific muscle area and the overall yield of the carcass, but it also made the meat tougher. Specifically, ZH increased the muscle area but led to higher shear force measurements, indicating less tenderness. Who this helps: This benefits cattle farmers and meat producers aiming to enhance beef quality and yield.

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This study looked at how the weight of beef carcasses affects the taste and texture of different cuts of steak. They found that steaks from middleweight carcasses were preferred by tasters; for example, middleweight Denver cut steaks scored higher for overall liking and tenderness compared to those from lightweight carcasses. This is important because it helps producers understand which carcass weights produce the most desirable steak, potentially improving consumer satisfaction. Who this helps: This helps beef producers and consumers looking for better-quality steaks.

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The National Beef Quality Audit 2022 studied how live cattle are transported and assessed their health and conditions at U.S. beef processing facilities. The audit found that most cattle (77%) were mobile and healthy, with only 45% showing no visible defects. However, 64.6% of cows had udder problems, indicating a need for better care in certain areas. Who this helps: This benefits cattle producers and animal welfare advocates.

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The National Beef Quality Audit 2022 examined the quality and yield of beef from 9,746 steers and heifers in the U.S. beef industry. It found that most carcasses received a USDA Quality Grade of "Choice" and an average Yield Grade of 3.3, with only 1.8% showing defects like dark cutting. This information helps track improvements in beef quality and can guide farmers and processors to enhance their products. Who this helps: This helps beef producers and consumers looking for high-quality meat.

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This study focused on how to improve floodplain and wetland areas in central Vermont to better manage flooding and improve water quality. Researchers tested different restoration strategies and found that while river flood control only slightly reduced peak flood flows during heavy storms, several restoration projects significantly lowered phosphorus levels—an important target for protecting water quality. These findings are important because they help planners choose the best restoration options that meet the needs of various stakeholders while making effective use of limited resources. Who this helps: This benefits local communities, planners, and environmental groups working to improve land and water management.

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The study looked at how giving cattle either casein or glutamic acid after their stomach affects their digestion of starch and energy balance. They found that cattle receiving casein digested more starch and retained more nitrogen and energy than those receiving glutamic acid or no supplement; specifically, energy retention was about 34% higher with casein. This research matters because better digestion and energy retention can lead to healthier and more productive cattle. Who this helps: This helps farmers and cattle producers by improving feed efficiency and overall cattle health.

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This study looked at how widespread the virus that causes COVID-19 was among people who didn’t show symptoms, which can help shape public health responses. Researchers from two major research centers and the National Institutes of Health gathered data from over 11,000 participants across the country over 16 months. They found relevant insights to better understand the spread of the virus and provided a framework for future research during health crises. Who this helps: This benefits public health officials and policy makers.

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This study explored how the immune system is affected in aging females, particularly focusing on T-cells, which are crucial for fighting infections. Researchers found that removing old ovaries and transplanting young ones improved T-cell function in older female mice, indicating that ovarian health plays a role in immune response even without the hormone estradiol. Although the improvement was significant, it only restored a portion of the immune function lost over time. Who this helps: This benefits post-menopausal women by offering insights for better immune health.

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This review studied early intervention programs designed to support the emotional, social, and physical health of young children. The analysis looked at 23 articles and found key trends, such as new techniques for helping children with disabilities, policies that support families and practitioners, and the need for understanding trauma in kids affected by social issues like racism. These findings are important because they highlight ways to better support vulnerable children and create effective practices in early education. Who this helps: This benefits children with disabilities, their families, and educators.

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This study looked at three different methods of weaning calves from their mothers to see how it affected the calves' growth and meat quality. The researchers found that one method, where calves stayed close to their mothers but were separated by a fence, led to better growth rates shortly after weaning compared to the abrupt method, while the other method involving nose-flaps had some advantages before weaning. Ultimately, there was no significant difference in the overall growth or meat quality between the weaning methods and the traditional approach, which matters because it shows that less stressful weaning may not provide substantial benefits for the calves' long-term growth or meat quality. Who this helps: This helps farmers and ranchers understand the effectiveness of different weaning techniques for raising calves.

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This study looked for new antibodies that can block the transmission of malaria caused by a parasite called P. falciparum. Researchers found eight promising antibodies that remain effective in preventing the spread of malaria; notably, five of these target a specific protein called Pfs230, which is crucial for transmission. This discovery is important because it identifies potential new vaccine targets that could improve efforts to create effective malaria vaccines. Who this helps: Patients, particularly those in regions where malaria is common.

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This study looked at how different provinces in Canada handle testing, care, and treatment for hepatitis C. It found that while 80% of provinces have a system to quickly test for hepatitis C after a positive screening, most do not use efficient methods to speed up treatment or make it easier for patients to access care. The lack of collaboration and standardization across provinces means that many patients face unnecessary hurdles in getting the help they need. Who this helps: Patients with hepatitis C seeking quicker and easier access to diagnosis and treatment.

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This study looked at how the color of fresh sausage is related to issues with fat smearing, which affects the sausage's visual quality. Researchers found that in pork and pork-beef mixed sausages, there's a strong link between the color measurements and fat smearing, with specific color factors showing correlations (like R = -0.704 for pork). However, they found no connection in beef sausages, indicating that color analysis can help assess fat smearing in certain types of sausage but not all. Who this helps: This benefits sausage manufacturers and quality control teams.

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This study looked at how different methods of raising beef cows affect the quality of the meat, particularly its color and tenderness. They tested four different groups of cows: those raised without any technology, those given antibiotics, those treated with hormone implants, and those given a specific feed additive. The results showed that meat from cows not treated with growth-promoting technologies was fattier, juicier, and more tender compared to those that were treated—specifically, non-treated and antibiotic-treated steaks were more tender than hormone- or feed-treated ones. This study is important because it provides insights into how food production practices can impact the quality of the meat we eat. Who this helps: This benefits consumers who want better quality beef.

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Researchers studied the effects of two types of copper and zinc supplements on beef cows and their calves. They found that cows receiving organic supplements had better conception rates and their calves were heavier at weaning compared to those receiving inorganic supplements. Specifically, organic-treated cows had improved pregnancy success in Year 1, and their calves weighed more at weaning. Who this helps: This helps farmers and ranchers aiming to improve cattle health and productivity.

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This study looked at how aging in women's reproductive systems affects their overall health and lifespan. It found that women who lose their reproductive function experience a rise in disease rates, with those having early ovarian failure facing even greater risks. Remarkably, experiments showed that giving older females young ovaries significantly improved their survival rates, highlighting the connection between reproductive health and longevity. Who this helps: This research benefits women experiencing menopause and early ovarian failure by offering insights into potential treatments for related health issues.

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This study investigated whether a tool used to assess alcohol withdrawal syndrome (AWS) is accurate for patients who have just had major surgery. It found that 18% of the post-operative patients tested had scores suggesting AWS, even though they were not actually dependent on alcohol. This matters because incorrectly diagnosing AWS could delay the treatment of other serious health issues these patients might have. Who this helps: This helps doctors treating post-operative patients.

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This study looked at how limiting protein intake in pregnant heifers during the second half of their pregnancy affected the growth and meat quality of their calves. The researchers found that reducing protein intake did not significantly impact the overall growth or feeding efficiency of the calves, although calves born to heifers with limited protein in late pregnancy had slightly larger muscle areas. These findings indicate that moderate protein restriction during pregnancy may not significantly harm calf development and meat quality. Who this helps: This information benefits farmers and livestock producers by helping them understand nutrition management for pregnant heifers.

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This study looked at how effective follow-up exams (called tertiary surveys) are for trauma patients who already had extensive imaging tests done, such as whole-body CT scans. Researchers analyzed data from 507 patients and found that only 1.18% had significant injuries detected later during these follow-up exams, suggesting these surveys might not be necessary for many patients. Since most patients showed no missed injuries, this could lead to faster discharges for trauma patients, especially those with less severe injuries. Who this helps: This helps patients who experience trauma by potentially reducing their hospital stay.

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This study looked at how the aging process affects movement in female mice, particularly focusing on tremors and grip strength. The researchers found that older female mice experienced increased tremors and decreased grip strength, but these effects were reversed when they received transplants of young ovarian tissue, regardless of whether the tissue contained germ cells. This shows that young ovarian tissue can help maintain motor function in aging females, which could have implications for understanding the biology of aging and developing treatments. Who this helps: This benefits patients dealing with age-related movement disorders and their doctors.

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This study looked at the presence of certain chemicals known as perfluoroalkyl acids (PFAA) in surface soils across Vermont. Researchers found that all 66 soil samples contained PFAA, with amounts ranging from 540 to 36,000 nanograms per kilogram of dry soil. The presence of these chemicals varied by location, and they are critical for establishing cleanup standards to protect the environment and public health. Who this helps: This helps patients and communities affected by soil contamination.

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This study looked at how race and ethnicity affect the risk of serious health problems for mothers who experience stillbirths in California. Out of over 9,000 patients with singleton stillbirths, 5.8% faced severe health issues after delivery. Non-Hispanic Black mothers had the highest risk at 10.6%, compared to 5.2% for non-Hispanic White mothers and 5.2% for Hispanic mothers, indicating significant health disparities. Who this helps: This information benefits patients, particularly Black mothers, as well as healthcare providers working to improve maternal health outcomes.

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This study looked at a new method to grow breast cancer cells in the lab, aiming to better identify cancer stem cells. The researchers found that using lipid anchors to tether tumor cells resulted in 71% of the spheres being a consistent size, compared to only 37% with traditional methods. This change helps ensure that the observed cells come from a single original cell, making it easier to study cancer cell behavior. Who this helps: This benefits researchers who study cancer and develop treatments.

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This study looked at how a probiotic called PB6 affects the growth and health of beef cattle during a finishing period. Researchers used 238 yearling steers, half of which received the probiotic while the other half did not. They found that the probiotic group had slightly lower weight gain (25% lower fecal presence of certain bacteria on day 112), but overall, there were no significant differences in growth, feed efficiency, or health markers between the two groups. Who this helps: This research benefits cattle producers and veterinarians by providing insights into the effectiveness of probiotics in beef cattle.

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This study looked at how feeding bison grain versus grass before slaughter affects their meat quality and nutritional value. Researchers found that bison finished on grain had heavier carcasses, more marbling (which adds flavor), and more fat content compared to those finished on grass. However, despite these differences in meat quality, consumers didn't show a preference for one over the other. Who this helps: This benefits bison farmers and meat consumers.

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This study looked at how using low-voltage electrical stimulation on beef carcasses affects their cooling rate and color quality. Researchers found that carcasses that received electrical stimulation (at either 40 or 80 volts) stayed warmer longer and had better color quality compared to those that did not receive stimulation. This is important because it can lead to better-tasting and visually appealing steaks for consumers. Who this helps: This benefits both beef producers and consumers looking for higher-quality meat.

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This study looked at how feeding steers a diet that included brassica cover crops, such as radish and turnip, affected the tenderness and flavor of beef strip steaks. The researchers found that steaks from steers fed the brassica mix were more tender on days 3 and 7 compared to those on a typical diet, but this difference faded by day 14. Understanding how different diets influence beef quality is important for improving meat products and consumer satisfaction. Who this helps: This helps farmers and beef producers improve the quality of their meat, benefiting both the meat industry and consumers.

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This study looked at how to improve test models for gonorrhea in female mice to better understand how the bacteria affect the upper reproductive system, which is important for developing new vaccines and treatments. Researchers created a new mouse model that allows for longer-lasting infections in the upper reproductive tract and found that a meningococcal vaccine was effective against gonorrhea in these areas. This is important because it can help in the development of new vaccines to protect women from serious complications caused by gonorrhea infections. Who this helps: This helps patients, particularly women at risk for gonorrhea and its complications.

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This study looked at a 32-year-old man who developed a life-threatening condition called chronic intestinal pseudo-obstruction (CIPO) due to a rare mitochondrial disorder known as Maternally inherited diabetes and deafness (MIDD). The doctors found that his intestines were not functioning properly, causing severe abdominal pain, and after surgery, he needed intensive treatment for his low vitamin and electrolyte levels. Understanding and managing CIPO is important because it can lead to serious complications during emergency situations. Who this helps: This helps patients with rare mitochondrial disorders and doctors treating similar cases.

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This study looked at how feeding cattle a mix of brassica plants, like radishes and turnips, affects their growth, meat quality, and color. They compared 30 steers fed brassica forage to those on a traditional diet for 44 days. They found that while the brassica diet didn’t affect growth or meat quality, the traditional diet led to better feed efficiency, and the ground beef from the brassica group discolored faster after 4 to 7 days of storage. Who this helps: This information benefits cattle farmers looking to diversify feed options while maintaining meat quality.

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This study looked at how the type of carbohydrates that pregnant cows eat affects the growth and meat quality of their calves. Researchers found that the type of diet—either concentrate-based or forage-based—didn't significantly change the calves' weight, growth rate, or meat quality. However, calves from cows on a forage diet had slightly less backfat and lower yield grades compared to those on a concentrate diet, indicating some minor differences in meat traits. Who this helps: This research benefits farmers and ranchers by informing them about the impacts of maternal diets on calf development and meat quality.

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In this study, researchers developed a powerful new laser that can improve a type of imaging called two-photon microscopy, which is used to see deep inside tissues. They created a laser that operates at a specific wavelength and can produce very fast light pulses, allowing them to image up to 900 micrometers deep in mouse brain tissue. This advancement is important because it makes the technology more efficient and easier to use for medical imaging, which can lead to better diagnoses and treatment options for various conditions. Who this helps: This helps patients needing accurate imaging for brain-related health issues.

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This study looked at how a 12-week digital health coaching program—using phone calls and text messages—can help people with type 2 diabetes improve their insulin resistance, which can prevent the disease from getting worse. The results showed that participants in the digital coaching program improved their insulin resistance score by an average of 0.9 points compared to those receiving standard care. This matters because better control of diabetes can lead to healthier lives, especially for individuals who may not have easy access to traditional healthcare services. Who this helps: Patients with type 2 diabetes, especially those with limited resources.