A study by Troost found Botox to be an effective preventive therapy for headache treatment, with 92% of patients experiencing improvement after four treatments. This alternative approach can reduce medication use and side effects, offering a promising solution for debilitating headaches.
A new analysis suggests that early statin use after a heart attack is only effective in patients with high cholesterol levels above the recommended guidelines. The study found no difference in mortality rates between those who received early statins and those who did not.
A study of female radiologic technologists found that prolonged exposure to low dose radiation is associated with a higher risk of breast cancer mortality. Women who started working as radiologic technologists before 1940 were nearly three times more likely to die from breast cancer than those who began working in 1960 or later.
A study found that the GSTP1 polymorphism was associated with increased survival in patients with advanced colorectal cancer who received platinum-based chemotherapy. Meanwhile, research on human herpesvirus-8 suggested that the K1 gene may play a role in malignant transformation.
University of Pittsburgh researchers found combined PET/CT scans to be a valuable tool for staging and re-staging patients with difficult-to-track cancers. The technology identified additional cancerous lesions in 80% of ovarian carcinoma patients and 45% of cervical carcinoma patients, leading to changes in treatment plans.
Scientists have identified brain chemicals that can stimulate nerve regeneration after spinal cord injury, providing a potential new target for intervention. By understanding how these chemicals interact with inhibitors, researchers hope to develop treatments to repair damaged nerve cells and improve outcomes for patients.
The study found that between 1950 and 1960, male cancer mortality was nearly 50% greater in high socioeconomic areas compared to low areas. By 1998, this gap had narrowed and even reversed, with the lowest socioeconomic groups experiencing higher mortality rates.
A study found that genetic mutation penetrance for melanoma varies by geographic location, with higher risks in countries like the US and Australia. Researchers suggest environmental factors contribute to this variation, contradicting previous assumptions about gene mutations and their impact on disease expression.
Researchers found over 200 groups of adjacent and similarly expressed genes in Drosophila melanogaster, accounting for approximately 20% of the genome. The 'sloppy' regulation may reflect chromatin's packaging and influence gene expression more by accident than design.
Researchers at Purdue University and the USDA have developed tomatoes with significantly higher levels of lycopene, a key cancer-fighting antioxidant. The genetically modified tomatoes contain up to 3.5 times more lycopene than conventional varieties, which may help reduce the risk of certain cancers and heart disease.
Recent studies have shown that combining Xenical with a mildly reduced calorie diet can improve glycaemic control, body weight, and waist circumference in overweight or obese patients with type 2 diabetes. The medication has been found to reduce HbA1c levels by as much as 46% in patients with poor glycaemic control.
A new computational model developed at Purdue University accurately predicts the performance of thermal-barrier coatings, allowing designers to predict the properties of various mixtures. The model has been shown to be over 90% accurate and promises to save time and money by ruling out ineffective mixtures.
Researchers found Xenical significantly improved HbA1c and fasting plasma glucose levels in patients with type 2 diabetes. Additionally, treatment with Xenical showed post-prandial glucose benefits and cost-effectiveness as an adjunctive therapy to oral anti-diabetic medications.
LY333531 improves nerve function and sensory symptoms, including tingling and numbness, of diabetic neuropathy. The treatment is being studied for multiple diabetic microvascular complications, including diabetic retinopathy and nephropathy.
A NASA study found that urban heat islands create more summer rain over and downwind of major cities worldwide. The increased heat promotes rising air and alters weather patterns, leading to higher rainfall rates in urban areas.
Researchers found that certain fungi can supply calcium to trees in acidic soils, reducing the loss of essential nutrients. However, not all tree species have beneficial fungal associations, and other factors like soil acidity can still hinder plant growth.
Researchers at Ohio University found that a behavioral therapy program reduced migraine frequency and severity in teens by 80%, with no medication required. The study suggests an alternative approach to treating migraines in children and teens.
A new set of patient interview questions has been developed to improve understanding of Hmong culture and traditions. The study found that many patients use both shamans and physicians for their health care, highlighting the need for a more holistic approach to patient care.
A computer model reveals that genetically modified organisms (GMOs) can lead to the extinction of natural populations in as few as 20 generations. The research also identifies an 'invasion risk' where introduced genes spread through the population without reducing overall size.
A study by Dartmouth/VA researchers found that major US news media favored routine use of screening mammography and urged caution about tamoxifen, with greater emphasis on the negative aspects of the latter. The coverage of these issues highlights the need for balanced media reporting to focus on science rather than emotions or politics.
A study of 200 type 1 diabetic patients found a significantly higher mortality rate among African Americans, due largely to acute complications. The results suggest an inadequacy in care for African Americans with type 1 diabetes, potentially linked to issues such as access to care and education.
The Johns Hopkins University Applied Physics Laboratory (APL) successfully conducted the first ground test of a full-scale, fully integrated hypersonic cruise missile engine using conventional liquid hydrocarbon fuel. The Dual Combustion Ramjet (DCR) engine concept demonstrated robust engine operation at speeds up to Mach 6.5.
A study found that lipid-lowering therapy may not be effective in arresting or reversing CAD in one out of four patients, highlighting the need for personalized medical management. PET MPI can help identify treatment failure and guide tailored treatment strategies.
The UC Davis Community Partnerships with Pediatricians for Healthy Children program provides medical residents a grassroots experience in disadvantaged neighborhoods. The program, funded by the $1.8 million Dyson Foundation grant, links residents with community collaboratives to identify and solve health issues.
A one-year study found that a diet reducing fat and calories, combined with walking, led to an average weight loss of 8.5% and improved blood sugar levels. Exercise was reported as the most beneficial behavior among participants.
Researchers used two techniques to examine the electronic structure of magnesium diboride, revealing interactions between electron holes that contribute to its superconductivity. The findings provide new insight into the material's properties and may lead to improved magnetic resonance imaging and electric power transmission.
The study found that while the CT and HPET images could be co-registered within 2mm in centrally located tumor inserts, tumor inserts on the peripheral were only 8-10mm due to distortion and resolution loss of HPET images. This made it difficult for a therapist to refine treatment volume using the co-registered HPET/CT images.
Research found that heavy drinkers exhibit a 'biphasic' response to alcohol, experiencing increased stimulation and euphoria during rising blood alcohol concentrations, but sedation and fatigue during declining levels. In contrast, light drinkers showed only sedation and no positive mood changes.
A study using PET/CT scans found that 58.8% of patients had at least one positive focus of FDG uptake in the thoracic aortic wall, which may indicate 'vulnerable' plaque. This could lead to future cardiovascular events if left untreated.
The study found that higher initial FDG uptake in tumor was associated with poorer prognosis in osteosarcoma patients. Patients identified as having high FDG uptake could be treated more aggressively to improve outcomes.
A recent study by Seth Pollak found that children who have experienced physical abuse categorize facial expressions differently than non-abused children. Abused children identified more faces as being 'angry' rather than fearful or sad. This suggests that experience can shape how people perceive and understand emotions.
Researchers found that male and female rats selectively bred for high and low sensitivity to alcohol also exhibited differences in their response to nicotine. The study suggests that genetic factors may contribute to the co-occurrence of these two substances in individuals, highlighting the need for further research on this topic.
A new UNC study finds that Hispanic men become obese 2.5 times faster than U.S. men of European ancestry, while black women become obese more than twice as fast as white women. The study also shows that the prevalence of obesity in U.S. adults doubled over 40 years, with 61% now classified as obese or overweight.
A study found that nearly 56% of diabetic patients have stress-induced ischemic defects revealed by SPECT myocardial perfusion imaging, regardless of age or sex. These defects were more prevalent in asymptomatic patients than those with a history of chest pain.
A study found contaminated E. coli bacteria in hot sauces from popular tourist restaurants in Mexico and Texas, increasing the risk of travelers' diarrhea. A simple test can detect peripheral arterial disease by comparing blood pressure in the arm and lower leg.
University of Houston researchers are studying novel filtration membranes that can remove up to 90% of natural organic material from water. Their goal is to design better large-scale filtration systems to improve the quality of drinking water supplies, particularly in areas with contaminated or dirty water sources.
A UGA research team has identified a common bacterium as the cause of white pox disease, killing over 98% of elkhorn coral on some reefs near Key West. The disease is highly contagious and spreads rapidly between reefs, highlighting the impact of environmental changes on marine ecosystems.
A new diagnostic tool, Tc 99m Depreotide, has been shown to detect the source of infection in all patients studied within three hours after injection. This is significantly faster than traditional nuclear imaging tests, which can take up to 48 hours, and offers improved accuracy.
A long-term pediatric AIDS study of over 500 children reveals that cardiac abnormalities may persist in infants born to HIV-positive mothers. The study found that both infected and uninfected children had higher left ventricle mass and lower contractility, but differences dissipated over time.
Researchers have developed a new radioimmunotherapy cancer treatment that has shown significant promise in treating mantle cell lymphoma. The study found that high-dose therapy resulted in complete remission for seven of eight patients, compared to only one of four with low-dose therapy.
A new cellular evolution theory challenges Darwinian assumptions by emphasizing horizontal gene transfer as the driving force behind cellular life's evolution. This process allowed for the acquisition of alien cellular components, including genes and proteins, to promote evolutionary change.
A recent study published by the NIH found that approximately 6-7% of women experience regret after tubal sterilization, with a higher risk for those who have experienced conflict with their husbands. The study also discovered that only 2% of women request reversal of either procedure.
A PET scan study found impaired endothelium-dependent coronary artery vasodilator function in healthy young smokers, indicating increased risk of heart attack and stroke. The study suggests that smoking begins to cause damage much earlier than previously thought, even in those without apparent coronary disease.
A new imaging procedure using a radiotracer has revealed the extent of myocardial tissue injury after a heart attack, even in patients who have been successfully revascularized. The study found that 81% of patients showed persistent cellular damage and 90% had perfusion defects.
A US study found that 26% of men and 28% of women were obese by age 35-37, with black women and Hispanic men at higher risk. Obesity is linked to various health problems, including heart disease, diabetes, and stroke.
Research found that alcoholics exhibit blunted heart-rate responses to public speaking despite similar anxiety levels, indicating a disconnection between perception and physiological response. This impairment may contribute to social functioning and emotional experiences in individuals recovering from severe alcohol dependence.
Researchers at UC Santa Barbara study spider dragline silk's mechanical properties, revealing its elastic and strong nature. The protein unfolds into a modular structure with sacrificial bonds that reform under load, making it a promising material for bulletproof vests, armor, and tethers.
Researchers developed a formula to accurately determine water-use efficiency in typical soils, showing that no-till techniques can improve crop yields while reducing runoff and drainage losses. Soils with higher clay content and greater capacity to retain water produce better results, highlighting the importance of soil type management.
H. William Strauss is a pioneer in cardiovascular nuclear medicine and has published extensively on the subject. He recently received the de Hevesy Pioneer Award for his groundbreaking contributions to the field of nuclear medicine.
Dr. Barrio has made significant contributions to Parkinson's and Alzheimer's Disease research, including the first PET study on plaque visualization in living brains. He also supports nuclear medicine research through various committees and publications.
A study found that participants who watched TV programs with sex or violence had impaired memory for advertised products compared to those who watched neutral programs. The results suggest that sex and violence can impair commercial memory, potentially deterring advertisers from sponsoring such content.
Researchers at the University at Buffalo found that consuming a high-fat meal causes an increase in inflammatory components in the blood. However, taking antioxidant vitamins E and C before consumption can nullify this effect.
Researchers have identified a gene mutation that predisposes children to the most common type of pediatric brain tumor, medulloblastoma. This discovery could lead to new treatment options and improve survival rates. The study also found that the same signaling pathways affected in medulloblastomas are disrupted in other cancers.
Researchers found that early treatment with insulin-resistant drugs saves about 30% more beta cells than late intervention, preventing type 2 diabetes. The study suggests that lessening the workload on beta cells can prevent or slow disease onset.
A new study by University at Buffalo researchers found that insulin sensitizer rosiglitazone (Avandia) has a significant anti-inflammatory effect in Type 2 diabetes patients. The drug decreased levels of oxygen free radicals and inflammatory markers, reducing the risk of heart disease.
Buszaki's research published in Science and Nature reveals the neural code used by brain cells to communicate, including wave-like bursts that shape connections in the newborn brain. This breakthrough has significant implications for understanding how memories are formed and how the brain develops.
Researchers created a mouse model of hair loss syndrome, which sheds light on the complex interactions between genes and their effects on human diseases. The study found that genetic background plays a significant role in determining the severity of the condition, and could potentially inform gene therapy approaches.
Researchers have identified HsfA1 as a master regulator of the tomato heat stress response, playing a crucial role in protecting plants from high temperatures. Transgenic tomatoes with over-expressed HsfA1 showed increased resistance to heat stress, while those deficient in HsfA1 were more susceptible.
Researchers at Ohio State University identified 14 genes over-expressed and 12 genes under-expressed in lung cells affected by cancer. The study provides new insights into the genetic basis of lung cancer and could lead to earlier detection methods.
Researchers at Ohio State University have developed an intensification therapy regimen that combines chemotherapy and radiation to treat advanced head and neck cancers. The treatment has shown promising results, with a significant increase in survival rates and minimal patient non-compliance.