A 12-week study found that drinking Concord grape juice daily reduced systolic and diastolic blood pressure in hypertensive men by nearly six points. The results, presented at the FASEB annual meeting, suggest a possible mechanism of action involving improved arterial wall flexibility.
The study found that many Adirondack lakes have marked decreases in sulfate ion levels and increases in pH and Acid Neutralizing Capacity (ANC), indicating a shift towards more neutral water conditions. However, the rate of improvement is slow, suggesting that recovery may take several decades if current emissions are maintained.
A study published in Annals of Internal Medicine found that Canadian guidelines for treating community-acquired pneumonia were not followed in 50% of cases. The lack of clear guidelines leads to difficulties in choosing the right antibiotic, increasing the risk of antibiotic resistance and patient death.
A new study from Michigan Medicine found that alcohol increases a person's vulnerability to injury in car crashes, regardless of blood-alcohol level. Drivers and passengers with any amount of alcohol in their system were more than one and a half times as likely to experience serious injuries, which severity was also 30% higher.
A recent study reveals that British commercial banks have failed to develop internal structures suitable for lending to small firms, rationing credit to this category of potential customers. This deficiency has had a damaging impact on regional economic regeneration and national economic competitiveness.
The complete DNA sequence of Coxiella burnetii, the Q Fever microbe, has been deciphered, revealing information on its biology and ability to cause disease. Researchers found that the genome appears to be in the early stages of reduction, with numerous genes involved in virulence and interactions with its host.
Researchers at Johns Hopkins discovered a compound that doubles the hearts' ability to contract and relax, stimulating the release of calcitonin gene-related peptide. This improvement is particularly notable in failing hearts, without any reported toxicity.
Archaeologists have found a 4,000-year-old gourd fragment bearing an archaic image of the Staff God, the principal deity in South America. The discovery pushes back the origin of organized religion in the Americas by over 1,000 years, indicating that the Andean civilization began practicing religion more than previously thought.
Researchers at the University of Rochester have developed a new DNA chip that can rapidly detect and identify dangerous pathogens. The chip uses a simple method to analyze genetic material quickly and accurately, eliminating time-consuming steps typically used in traditional techniques.
Researchers are developing a sensor to monitor carbon-carbon composite materials in structures. The team uses ultrasound to identify degradation mechanisms and contamination effects, enabling them to quantify the impact on material integrity. They expect to complete a prototype sensor system by 2003.
A study by Tufts University biologists found that female fireflies are attracted to males with longer flashes, indicating they can be better fathers. The length of a male's flash is related to the quality and quantity of his 'nuptial gift', which provides essential nutrition for his offspring.
A recent study found that alcohol use can exacerbate injury severity in motor vehicle crashes, increasing the risk of bleeding, heart problems, and organ damage. The study's findings suggest that clinicians should take an active role in preventing alcohol use where there is risk of injury.
The national report outlines three basic areas of genomic research, including understanding the relationship between genomics and race/ethnicity. It also emphasizes the importance of addressing ethical, legal, and social implications of genomic research, such as genetic testing and its impact on individuals and society.
A 50-amino-acid stretch of the amyloid precursor protein (APP) jams mitochondria and endoplasmic reticulum, starving cells of energy. This leads to neuronal death, a hallmark of Alzheimer's disease, according to Penn researchers.
A new study found that individuals who included Yoplait Light in their diets lost 22% more weight, 61% more body fat, and 81% more trunkal (stomach) fat compared to those on a low-calcium diet. The calcium-rich diet helped participants maintain lean muscle mass and reduce waist circumference.
A new study analyzed data from the Nurses' Health Study and found that 69% of sudden cardiac deaths in women were the first sign of heart disease. Women with smoking, diabetes, hypertension, or obesity had significantly increased risk of SCD, while high cholesterol was not associated with elevated risk.
Recent studies investigate the toxic potential of ultrafine and fine particles, finding worsening health outcomes for people with chronic heart and lung disease. Exposure to small particles also contributes to increased risk of emergency visits, hospitalizations, and death.
A study found that increasing Vitamin B-6 intake rapidly improved its status and decreased DNA strand breaks in both smokers and non-smokers. The researchers also suggested that Vitamin B-6 has a high prevalence of inadequate dietary intake in the general population, particularly among smokers.
Researchers discovered that triclosan, a common anti-bacterial agent, converts to dioxin when exposed to sunlight in river water. The conversion occurs between one percent and 12 percent of the triclosan present, producing a form of dioxin at least 150,000 times less toxic than its most dangerous form.
Certican has been shown to target underlying causes of chronic allograft dysfunction and late graft loss, including acute rejection and vascular remodelling. The drug demonstrated superiority over azathioprine in reducing acute rejection episodes and pulmonary function decline.
A new study found that strengthening upper leg muscles does not protect against knee osteoarthritis and may even worsen it in people with certain knee conditions. Researchers also discovered that one-third of cancer patients who died received chemotherapy in their last six months of life.
A study found that prenatal alcohol exposure of less than one drink per day can impair executive functioning (EF) in early childhood, including working memory, planning, and inhibitory control. Children exposed prenatally to alcohol had difficulty following rules and performing tasks that required inhibition.
Researchers have discovered that adult hearts contain stem cells capable of regenerating muscle tissue lost due to disease or wear. These findings open the possibility for the development of restorative therapies following heart attacks and other cardiovascular diseases.
New research presented at the AAN Annual Meeting includes promising treatments for MS, potential therapeutic targets for worsening ataxia in ALS, and a connection between Chlamydia infection and increased stroke risk. Statins also show promise in reducing cognitive decline and improving recovery from stroke.
Chronic alcoholism damages the cerebellum and frontal lobes, leading to motor deficits that persist even after long-term abstinence. Functional magnetic resonance imaging (fMRI) reveals that alcoholics' brains compensate for damage by recruiting new brain regions to perform simple tasks.
A new study published in Archives of General Psychiatry reveals that high prenatal alcohol use significantly increases the risk of a child developing drinking-related problems by age 21. The research found that 14% of young adults with prenatal exposure to five or more drinks per occasion had alcohol problems, compared to just 4.5% wit...
Several studies present encouraging results for wavefront-guided LASIK, leading to sharper vision and fewer nighttime difficulties. The technology tailors laser beam settings to individual patients' visual imperfections, enhancing sharpness and patient satisfaction.
Scientists identified a genetic key to TB bacteria survival in lung cells, revealing that SecA2 protein is crucial for virulence and secreting antioxidant molecules. This finding may aid treatment development and has implications for other disease-causing bacteria.
A recent study found that most women (72%) experience some level of pain during mammography, but this does not deter them from returning for follow-up screening. The study also discovered a link between the timing of mammograms and pain levels in premenopausal women.
Researchers at the University of Pittsburgh Medical Center have developed a thin plastic sensor that changes color based on glucose concentrations. The sensor, embedded in contact lenses, allows patients to monitor their glucose levels without drawing blood.
A new technique developed by Malins' laboratory uses Fourier transform-infrared spectroscopy to analyze DNA from prostate tumor biopsies, allowing doctors to identify patients at high risk for metastasis. This breakthrough enables more informed treatment decisions and potentially saves lives.
A study found that heavy drinkers with fragmentary blackouts misremember drinking experiences while expecting positive outcomes. This phenomenon can contribute to problem drinking by reinforcing distorted beliefs about alcohol's effects.
A new theory describes a fundamental pattern that unifies various ecological relationships, providing insight into species abundance and biodiversity. The theory also suggests a predictable relationship between the sizes of rock pieces and species populations.
A Texas forestry sciences researcher has developed a two-dimensional warping model based on the mechanics of layered composites, enabling factory managers to make changes in manufacturing processes. The model uses commercial spreadsheet software to calculate and plot overall linear expansion and out-of-plane warping of wood-based panels.
The Office of Naval Research's Silver Fox UAV is a small tactical UAV equipped with state-of-the-art camera technology and GPS navigation, providing battle-ready Marines with real-time intelligence on enemy positions. With its compact size and long flight endurance, Silver Fox enables the Marine corps to cover large areas of territory ...