A study found that African-American women, particularly younger ones, have a significantly higher incidence of breast cancer and die at a younger age than white women. Environmental factors such as hormone-mimicking compounds are suggested to contribute to these disparities.
Scientists have discovered that the Chlamydia bacterium shares a common ancestry with plants, which could lead to the development of an effective new treatment for chlamydia. The discovery highlights similarities in genetic sequences and functions between the two organisms, providing a potential target for antibiotics.
The Rockefeller Foundation has denied rumours of abandoning its public health commitments, with President Judith Rodin assuring the global health community of continued support. The foundation's long-standing funding has contributed significantly to the development of vaccines and public health education initiatives.
A review study identifies 202 industrial chemicals that can damage the developing brain, leading to neurodevelopmental disorders. The researchers urge a precautionary approach for chemical testing and control to protect children's brains from toxic effects.
A study evaluating extended-field intensity-modulated radiation therapy (IMRT) for cervical cancer found that it resulted in significantly reduced side effects and comparable outcomes to standard radiotherapy. The treatment enabled patients to receive full therapeutic doses with less debilitating side effects.
Patients treated with IMRT had significantly fewer moderate and serious side effects, including urethral stricture and catheterization, compared to those who received I-125 seed brachytherapy. The study found excellent PSA outcomes after treatment in both groups.
Researchers at Carnegie Mellon University have made a groundbreaking discovery linking the timing of inhibitory neuron activity to the generation of odor-specific patterns in the brain's olfactory bulb. This finding supports the temporal coding hypothesis, which proposes that odor identity is encoded by the timing of neuronal firing, r...
Researchers have made a breakthrough with non-hormonal compound Adjudin, which has shown safety and effectiveness in rats when administered as an attachment to a modified hormone targeting the testes. However, its delivery system needs improvement, and it remains to be seen whether it will work as well in humans as in rodents.
A malaria drug, chloroquine, was found to improve symptoms of metabolic syndrome in mice by reducing atherosclerosis, lowering blood pressure, and improving blood sugar tolerance. The drug works by activating a particular stress pathway that mediates susceptibility to the syndrome.
Researchers at Iowa State University have made a breakthrough in breaking down cellulose, the tough structure of plant cell walls, to release simple sugars fermented into ethanol. The compound has shown promise in breaking down up to 95% of cellulose, paving the way for potential improvements in ethanol production.
A new cost-benefit analysis suggests that the most expensive combination cancer treatment may actually be the most cost-effective in the long run. The study found that patients who received induction chemotherapy and radiation therapy had better outcomes and saved money on treating complications and recurrences.
Scientists at Stanford University used gene therapy to improve memory and learning in rats under stress, blocking the negative effects of steroids. The experimental technique transforms harmful corticoids into beneficial estrogens, potentially reducing cognitive side effects of steroids.
During intense exercise, muscles rely on anaerobic metabolism for force production, leading to muscle fatigue and impaired performance. The study found that the mechanisms of muscular fatigue are similar to those discovered in laboratory research on cell and tissue samples.
A new study found that consumers tend to spend more when a planned purchase is deeply discounted, but less when they experience an unexpected price increase or decrease in quality. This challenges prior research on budgeting and shopping behavior.
Researchers at UT Southwestern Medical Center discovered that a gene variant associated with mental illness enlarges the pulvinar, a brain region handling negative emotions. The study found individuals carrying two copies of the SERT-s gene had larger pulvinars containing more nerve cells.
A new study by Sanjay Sood and Xavier Drèze found that movie sequels with named titles outperform those with numbered titles. Consumers prefer unique sequels because they don't want to see the same movie twice, improving box office performance and shelf life.
A precautionary approach is being used in the EU to regulate industrial chemicals that can affect brain development, particularly in pregnant women and young children. Exposure to such chemicals has been linked to neurodevelopmental disorders like autism and cerebral palsy.
A study found that intravenous gene therapy protects normal tissue during whole-body radiation, leading to higher survival rates in mice. The therapy, administered before exposure, appeared to prevent the damaging effects of radiation, suggesting it is a viable delivery method for public protection in nuclear emergencies.
Researchers found that chloroquine eased many symptoms of metabolic syndrome in mice, reducing blood pressure, hardening and narrowing of the arteries, and improving blood sugar tolerance. A pilot clinical trial is underway to test its safety and effectiveness in humans.
Researchers discovered a new 'helper' compound, dasatinib, that effectively treats some leukemias by targeting both BCR-ABL and SRC kinases. The findings suggest addressing both pathways is crucial for optimal treatment outcomes.
A study found that patients with low systolic blood pressure at hospital admission had poor outcomes, including higher mortality rates and rehospitalization. Higher systolic blood pressure was associated with lower risk of death in the long term.
Long-term travelers face higher risk of malaria due to diverse itineraries and varying medical care quality. Individualized strategies are crucial, with advice from travel medicine specialists, focusing on personal protective measures and reliable medical facilities.
Michigan State University researchers Kristie Macrakis and Ryan Sweeder have successfully recreated the chemical formula for invisible ink used by East Germany's Stasi. The team, which includes undergraduate students, developed a chemistry lab dubbed the 'Spy Lab' to teach students about catalysis and other scientific concepts.
A study found that heart failure patients with higher systolic blood pressures had lower death rates compared to those with lower pressures. Lower systolic pressures may indicate more advanced disease and a poorer prognosis.
Researchers at Max Planck Institute and ESRF study bone deformation using X-rays, revealing a hierarchical structure that allows bones to sustain large strains without breaking. The findings provide new insight into the design principles behind healthy bone fracture resistance.
Researchers have identified a circuit diagram that allows movement information from one hemisphere to reach the H2 cell in the opposite hemisphere, enabling the fly to differentiate its own movement from environmental movement. The study found that the HSE cell directly and the CH cell indirectly provide input to the H2 cell.
A study found that heart failure is associated with more common factors than previously believed, including preserved ejection fraction and diastolic dysfunction. Patients with preserved ejection fraction were older and less likely to be smokers, while those with reduced ejection fraction had higher mortality rates.
Mayo Clinic researchers found that difficulties in the heart's ability to fill with blood are a frequent cause of heart failure, and can be just as deadly as deficiencies in pumping. The study suggests that filling problems are often undiagnosed and highlights the importance of testing for abnormalities in the heart's filling phase.
A recent study published in the Canadian Journal of Surgery found that many medical school graduates in Canada lack proficiency in basic surgical skills such as suturing and tube placements. The researchers surveyed 123 recent graduates and 55 surgeons, revealing a significant gap between expected and actual skill levels.
Researchers at Northwestern University have discovered an enzyme called ACE2 that may hold the potential to treat diabetic kidney disease. Studies suggest that increasing ACE2 levels in the kidneys could reverse or prevent kidney disease from developing.
Research at Harvard University found that 5- to 7-year-olds prefer lucky individuals and groups over the less fortunate. The study suggests this phenomenon may clarify human attitudes toward social groups and help explain the persistence of social inequality.
The American Thoracic Society has published a new statement on the pathogenesis, prevention and treatment of liver damage caused by anti-tuberculosis medications. The document provides recommendations for identifying risk factors, recognizing symptoms and developing safe treatment programs.
Researchers at VCU have developed a unique anti-sickling agent called 5-HMF, which has shown promise in treating sickle cell disease by increasing the oxygen affinity of both normal and sickle hemoglobin. This breakthrough could lead to new drug treatments for the debilitating genetic blood disorder.
Researchers at Thomas Jefferson University found that lower doses of radiation are equally effective in treating acoustic schwannomas, a benign but potentially devastating brain tumor. This treatment approach may preserve more hearing and reduce the need for surgery.
A University of Pittsburgh study demonstrates that intensity-modulated radiation therapy (IMRT) can be uniformly delivered in a large health care system through centralized planning and treatment. This approach enables patients to receive consistent quality of care despite geographic distances.
Researchers found that synthetic antioxidants significantly reduced pain-like behavior in mice with inflamed hind paws, with 70-90% reduction during acute phase and 78-98% reduction during tonic phase. This suggests that antioxidants may fight chronic pain by helping the body break down free radicals.
New research shows that chain stores' national pricing strategies can boost variety and choice for consumers, particularly in areas with lower average wages and older populations. This approach can also support public health policy by providing important options for consumers on lower earnings.
A study by Carnegie Mellon University Psychology Professor Sheldon Cohen confirms that happy people are less likely to become ill when exposed to a cold virus. The researchers found that positive emotions such as happiness, optimism, extraversion, feelings of purpose in life, and self-esteem provide protection against infectious illness.