A recent study found that celecoxib reduced the Ki-67 labeling index by 34% in former smokers, indicating a potential chemopreventive effect against lung cancer. The medication was also linked to a reduction in lung nodules, a precursor to cancer.
A study published in the New England Journal of Medicine confirms that helical low-dose CT scans for lung cancer reduce deaths in heavy smokers by 20 percent. The research also highlights the need for further analysis on cost-effectiveness, downstream consequences, and screening strategies.
A study of nine cities worldwide reveals that people are less likely to walk when temperatures drop below zero, during heavy rain or excessive snow. In contrast, warmer temperatures and sunshine increase pedestrian traffic.
Researchers at Johns Hopkins Bloomberg School of Public Health analyzed climate change scenarios to predict excess deaths per year attributable to heat waves. The study found that the city of Chicago could experience between 166 and 2,217 excess deaths per year due to heat waves, with mitigation efforts expected to reduce this impact.
Researchers found that vaccinating 50-70% of people in high-risk areas after the outbreak would reduce morbidity and mortality by roughly 50%. A mobile stockpile of oral cholera vaccine could be deployed to mitigate future epidemics, especially in developing countries with poor sanitation infrastructure.
The American Association for Cancer Research and the Landon Foundation will present three INNOVATOR Awards to recognize emerging mid-career researchers. The awards support innovation in cancer prevention, international collaboration, and personalized medicine research.
The BCG World Atlas is a first-of-its-kind resource providing detailed information on current and past TB vaccination policies and practices across 180+ countries. Clinicians can use this atlas to inform diagnosis and treatment decisions, particularly for foreign-born adults with unclear vaccination histories.
Trauma patients who arrive at hospitals on weekends are more likely to survive, according to new research. The study found that the unique organization and staffing of trauma systems provide a built-in protection for these critically injured patients.
Researchers discovered new genetic variants affecting nonalcoholic fatty liver disease (NAFLD), which may help doctors diagnose and treat the condition more effectively. The study found that approximately one quarter of NAFLD variation is influenced by genetics, with potential applications for clinical algorithms and novel therapeutics.
The Mediterranean diet has been shown to have beneficial effects on waist circumference, HDL-cholesterol levels, triglycerides, blood pressure, and glucose metabolism. A new study published in the Journal of the American College of Cardiology found that the diet can help prevent metabolic syndrome and its components.
A University of Louisville professor is developing a statistical model that can help determine what prolongs cancer-free survival. The new multi-state model analyzes how diseases progress from one stage to another, allowing for broad inspection of patient patterns and data collection.
Researchers found a significant association between sugar-sweetened drink consumption and increased systolic and diastolic blood pressure levels. Higher glucose and fructose intake also contributed to higher blood pressure levels, particularly when combined with sodium.
A study of 360 patients found that those with chest pain and serious family health problems want to participate in treatment decisions. Women patients generally have higher expectations for listening and information from their female doctor than men, particularly when it comes to managing family health issues.
Researchers found that PSA velocity is a poor predictor of prostate cancer and may lead to unnecessary biopsies. The study, which analyzed data from over 5,000 men, suggests that using changes in PSA levels as a basis for recommending biopsy can result in many unnecessary procedures.
A study by McGill University Health Centre researchers highlights the need for a comprehensive electronic health record system to improve chronic disease management and timely access to care. The authors suggest that more work is needed to address implementation challenges and ensure successful adoption of e-health technologies.
Patients who undergo elective orthopedic surgeries at high-volume hospitals have better surgical outcomes and fewer complications than those at local hospitals. Regionalizers, or patients traveling to regional high-volume hospitals, tend to be younger, white, male, and have private insurance.
Elderly black patients are more likely to be readmitted to the hospital after a prior hospital stay for heart attack, heart failure, or pneumonia. The study found that racial disparities in health care and hospital care contribute to higher readmission rates among black patients.
A significant study found that inadequate sleep is associated with an almost 50% increase in the risk of colorectal adenomas compared to those sleeping at least seven hours per night. The researchers suggest that effective intervention to improve sleep duration and quality could be a new avenue for preventing colon cancer.
Researchers at UNC are developing computer models to help physicians predict which treatments will work best for children with upper airway problems. The project aims to create tools to evaluate the pediatric airway and predict medical or surgical interventions for specific children with conditions such as Pierre Robin sequence.
Researchers have created a novel crystal lattice composed of gold nanoparticles and viral particles held together by strands of DNA. The structure demonstrates the potential to combine materials with different properties to create infinitesimal devices.
A new study finds that hypermasculinity and trait aggression are strongly linked to the perpetration of aggression in bars, not victimization. This challenges the common belief that young men who engage in aggression in bars are willing participants.
A recent study by McGill University Health Centre demonstrates that single-patient rooms in Intensive Care Units (ICU) significantly reduce the acquisition of infections such as C-difficile, Staphylococcus aureus and Enterococcus. The results show a 50% reduction in infection rates and a 10% decrease in length of stay.
A study found that maternal depression affects the health-related quality of life of children with epilepsy, but this impact is modulated by family resources and functioning. The accumulation of supportive resources for both mothers and children with epilepsy can lead to improved outcomes over time.
A study by Harvard Medical School researchers found significant disparities in common measures of hospital-wide mortality rates, highlighting the complexity and variability of diagnoses. The authors propose alternative methods to construct a more limited portfolio of mortality results for individual common conditions.
A study by the University of California, San Francisco found that increased BPA exposure in women can lead to a 50% decline in fertilized eggs during IVF treatment. The researchers recommend reducing BPA levels through lifestyle and dietary modifications to minimize reproductive health risks.
A new research paper published in the Journal of the National Cancer Institute reveals a genetic mutation that leads to abnormal metabolic processes in gliomas, potentially leading to targeted therapies. The study shows that almost all tumors with IDH mutations have the same methylation pattern.
A slowly progressive weightlifting regimen cut risk of developing lymphedema by 35 percent among breast cancer survivors. Women who had five or more lymph nodes removed during surgery saw a nearly 70 percent risk reduction, according to the study published in the Journal of the American Medical Association.
Researchers found a high rate of weight gain in animal populations, despite varying diets and activity levels. The study suggests that alternative causes, such as epigenetics, may contribute to the obesity epidemic.
A large prospective cohort study found that smoking significantly increased the risk of breast cancer progression and overall death among multiethnic women. Current or past smokers had a 39% higher rate of dying from breast cancer.
Researchers found that screening for lung cancer using helical CT scanning reduced lung cancer deaths by 20 percent compared to chest X-rays. The study also showed overall deaths due to any factor were 7 percent lower in those screened with low-dose helical CT.
Researchers at Scripps Research Institute develop new strategies to identify collections of rare genetic variations associated with common conditions. By analyzing whole genomes, they aim to find genetic predispositions that can inform preventative medicine.
Problem drinkers reduce their alcohol consumption over time, but fail to reach 'normal' levels. Despite decreases, heavy drinkers continue to consume more than the general population.
A retrospective cohort study of 983 women found that non-Hispanic black and Hispanic women experienced significantly longer diagnostic delays than white women, regardless of insurance status. Diagnostic delay times ranged from 11.9 to 70.8 days, with uninsured black women facing the longest waits.
Researchers found that Puerto Rican women with triple-negative breast cancer had a higher risk of death from breast cancer, even after adjusting for age and cancer stage. Women under 50 years old with regional/distant disease were also more likely to die from their breast cancer.
Genetic tests are increasingly being offered directly to consumers in Puerto Rico, leading to higher awareness levels compared to previous U.S. population-based studies. However, the actual use of these tests is lower than expected, affecting specific groups such as smokers.
A new software, Myrna, uses cloud computing to analyze RNA sequencing data at an unprecedented speed and cost-effectiveness. The software calculated differential expression from 1.1 billion reads in under 2 hours for a cost of around $66.
The Penn State College of Medicine has received a $54 million grant to act as the data coordinating center for the National Heart Lung and Blood Institute's AsthmaNet. The NHLBI Asthma Network will conduct multiple clinical trials to address key asthma management questions, with a focus on pediatric and adult populations.
A global team of researchers has identified 95 regions of the human genome where genetic variants are associated with blood cholesterol and triglyceride levels, a major indicator of heart disease risk. The study found that many common variants discovered by the team also influence lipid traits across different racial and ethnic groups.
A 20-year study found that young adults with even modestly elevated cholesterol levels are more likely to develop coronary artery calcium and atherosclerosis. Cholesterol levels found in the majority of young adults in their 20s and 30s are associated with damage to coronary arteries, which can accumulate over time.
A new study found that HIV may increase the risk of death in people with high CD4 counts, but only moderately. The risk was highest among injecting drug users and heterosexual individuals, likely due to socioeconomic factors rather than HIV itself.
The Institute for Clinical & Translational Science at UCI will receive a five-year, $20 million NIH grant to speed up the translation of scientific discoveries into medical advances. The grant aims to support multidisciplinary research and foster community involvement in various fields.
A study by Dr. David J. Llewellyn found that vitamin D deficiency is associated with a higher risk of substantial general cognitive decline and new problems with mental flexibility. The research involved over 850 older adults, showing that those with severe vitamin D deficiencies were 60% more likely to experience cognitive decline.
Women with severe angina are three times more likely to develop severe coronary artery disease than men. The study found that even younger women face a higher risk of developing CAD than men in the same age group. Diabetes and high blood pressure also play a significant role in increasing the risk, particularly among young women.
The Framingham Heart Study has had a profound impact on the understanding and prevention of cardiovascular disease. The study's findings have led to significant reductions in cardiovascular mortality rates worldwide, particularly in the United States. Its legacy continues to shape public health initiatives globally.
Researchers found that women with homes closer to supermarkets tend to have lower BMIs and those within five-minute walk of restaurants have higher BMIs. The study highlights the importance of food environment and built environment in contributing to obesity.
Researchers from Boston University identified 19 genetic clusters, or 'signatures,' associated with exceptional longevity in centenarians. These signatures correlated with differences in disease prevalence and age-of-onset, potentially helping identify subgroups of healthy aging.
Researchers discovered 12 new regions on the genome with DNA variants linked to type 2 diabetes, raising hopes for early detection and prevention. The study also revealed surprising overlaps between type 2 diabetes and non-related diseases.
A recent study found that the original HIV strain still exists in the body months after initial infection, with immune cells degrading it at an accelerated rate. The research analyzed over 100,000 genetic snippets and revealed that the virus mutates rapidly to evade the immune system, but certain portions remain persistent.
A Johns Hopkins-led committee, sponsored by the FDA, will examine drug safety studies' scientific and ethical issues. The committee aims to deliver a report on July 1 outlining key considerations for clinical trials evaluating post-market drug safety.
A new sociological study reveals that many Latino immigrants in the US face discrimination based on skin color, with relatively darker-skinned individuals earning less than their lighter-skinned counterparts. The study found that some Latinos attempt to assert a white racial identity, but those with darker skin and higher levels of int...
A new study by Ohio State University researchers found that many Latino immigrants in the US face discrimination based on skin color, despite efforts to be accepted as 'white'. Darker-skinned Latinos earn significantly less than their lighter-skinned counterparts, with a difference of $2,500 per year.
Cancer patients can benefit from moderate-intensity aerobic exercise, tailored to individual needs, to improve quality of life, muscular strength, and reduce the risk of recurrence for breast cancer patients. Exercise also helps maintain lean body mass, contributing to increased well-being.
Researchers found that two comparable procedures have equal benefits for men and women, but patient age affects outcomes. The study, part of the Carotid Revascularization Endarterectomy vs. Stenting Trial (CREST), shows stenting is more beneficial for younger patients, while surgery is better for older ones.
Dr. Patrick Sullivan is leading a research project to identify genetic links to psychosis in schizophrenia and bipolar disorder. He will analyze DNA from four families with a high number of affected members to uncover rare genetic variants and compare them to unrelated samples.
Dr. Mandalakas will analyze social and economic barriers to implementing Isoniazid preventative therapy in children with latent tuberculosis infection in South Africa. She aims to promote the practical implementation of preventive therapy to improve child health outcomes.
A recent study found that young assault victims are often involved in subsequent violent encounters after being treated in an emergency department. The study revealed that nearly half of the adolescents reported considering retaliation or carrying a weapon within weeks of discharge.
Researchers have discovered three new genes associated with age-related macular degeneration, including two involved in the cholesterol pathway. The study increases understanding of DNA variations that predict individual risks of AMD and provides clues for developing effective therapies.
A new study led by UCSF researchers found that unusual femur fractures are extremely rare in patients with osteoporosis, even those taking bisphosphonates for extended periods. The study's findings provide context to reports of these fractures and highlight the importance of weighing treatment benefits against potential risks.
Researchers at Fox Chase Cancer Center found that 15% of clinical trials using terms like erectile dysfunction and hypoactive had exclusionary language for lesbians and gay men. Industry-sponsored trials were more likely to exclude these groups, often due to requiring patients in heterosexual relationships.
A new study found that joint replacement surgeries often fail to align patient and doctor expectations, resulting in higher dissatisfaction rates. The study suggests that educational interventions like preoperative classes can be used to improve dialogue between patients and surgeons.