Researchers found genetic associations with blood pressure, including a SNP in adducin 2 that lowered systolic blood pressure in hypertensive individuals treated with beta-blockers. These findings may enable personalized treatment approaches to manage high blood pressure.
Researchers found that people with high blood pressure have reduced blood flow to the brain compared to those with normal blood pressure, leading to slightly worse scores on memory tests. This vascular remodeling may explain why some individuals experience subtle differences in mental tasks.
Researchers are using genetically engineered cottonwood trees to remove hazardous materials from contaminated soil. The project aims to reduce mercury levels in the soil by twofold within 18 months through a process called phytoremediation.
Research by Lehigh University engineer Wei-xian Zhang has shown that nanoscale iron particles can break down organic and heavy metals contaminants in the soil and groundwater. The treatment process is more effective and cheaper than traditional methods, making it a promising solution for cleaning up contaminated sites.
The US is responsible for 23% of global greenhouse-gas emissions. The editorial emphasizes the need for changes in law and tax incentives to persuade citizens to use fewer fossil fuels and adopt recycling initiatives.
Researchers at UCSD have discovered a chemical that allows plants to transport phytochelatins from roots to stems and leaves, enabling them to detoxify heavy metals like lead, arsenic, and cadmium. This finding brings bioremediation, using plants to clean up contaminated soil, closer to reality.
The US Department of Energy has awarded $102 million in grants to small businesses for innovative research projects focused on energy, environmental, and national security. The selected companies will explore the feasibility of their proposed innovations over the next year and may apply for further funding.
Researchers have observed a steady decline in atmospheric mercury levels since the mid-1990s, with concentrations remaining relatively constant. The findings highlight the need for further research on the sources of mercury emissions, including both natural and manmade components.
Researchers found that every slice of toothed whale red meat exceeded Japan's mercury limit, with some samples containing almost 200 times the maximum value. Mercury levels were higher in whales caught off the southern coast of Japan.
The new guidelines introduce a 'prehypertension' category to alert individuals to their risk, recommend lifestyle changes, and streamline diagnosis and treatment. They also emphasize the importance of lowering blood pressure through medication and healthy habits.
A large study of 779 mother-infant pairs found no association between prenatal mercury exposure and impaired neurodevelopment. Despite finding two tests associated with exposure, the results were likely due to chance, suggesting that current fish consumption levels are probably safe during pregnancy.
A recent study published by the University of Rochester Medical Center found that consuming large quantities of seafood during pregnancy does not pose a detectable risk to children. The study, which followed 300 children from birth in 1989 and 1990, found no adverse effects from low levels of mercury in fish.
A team of researchers at an Arctic ice camp gather data to better understand the physical, biological, and chemical environment of the ice-covered ocean. They examine sea ice thickness, atmospheric mercury levels, and its impact on marine mammals.
Researchers found that consuming sesame oil as the sole cooking oil for 60 days lowered patients' blood pressure levels from 166/101 mm Hg to 134/84.6 mm Hg, with a reduced dose of nifedipine from 22.7 mg/day to 7.45 mg/day. The effect may be attributed to polyunsaturated fatty acids and sesamin in sesame oil.
The THEMIS mission aims to pinpoint the location of substorms that produce auroral eruptions. Five satellites will track the motion of plasma along the sun-Earth line, providing insights into the processing of solar wind energy. The mission has the potential to resolve a long-standing problem in understanding space weather.
A study published in MERCURY I showed that CRESTOR 10mg effectively lowered LDL-C levels and enabled over eight out of ten patients to achieve their LDL-C goals. The medication demonstrated superior efficacy compared to atorvastatin, making it a valuable treatment option for managing high cholesterol and reducing cardiovascular risk.
Researchers at Los Alamos National Laboratory present a new technology that can practically erase mercury from laboratories, reducing environmental and health hazards. The approach involves replacing mercury-containing devices with alternative instruments, which are less expensive and safer to use.
The study reveals that photochemical effects dominate the winter-to-spring ozone increase, while stratospheric sources account for a small fraction of the observed ozone. Local ozone production is found to be more significant than the amount delivered from aloft during late spring.
A study of Native American artifacts found high levels of mercury, naphthalene, and DDT, posing a risk to human health. Museums are advised to handle these objects with proper precautions until further research is conducted.
A study of 4,500 youth ages 9, 13, and 16 found higher systolic blood pressures than expected, with more significant increases in obese children. The research suggests a strong correlation between childhood obesity and elevated blood pressure.
A global study identifies cost-effective strategies to reduce the burden of cardiovascular disease, prioritizing non-personal interventions such as salt reduction and health education. Combination treatments with blood pressure and cholesterol-lowering agents are also shown to be effective in reducing disease impact worldwide.
A new study highlights the cost-effectiveness of reducing sodium in processed foods to limit cardiovascular disease, while also recommending a combination of treatments for high-risk individuals. The research found that targeting blood pressure and cholesterol levels could prevent over 21 million DALYs per year worldwide.
Researchers have rediscovered a World War II era antidote for Lewisite, a chemical warfare agent that causes immediate pain and blistering. The treatment, BAL, can remove heavy metals such as arsenic, copper, and lead from the human body.
Scientists have identified a key protein involved in regulating blood pressure, RGS2, which works by stopping the action of angiotensin II and enabling arterioles to relax. This discovery may lead to new ways of diagnosing and treating high blood pressure in individuals with underlying genetic defects or differences.
Researchers have developed a new all-optical-atomic clock that can keep time with greater precision than existing atomic clocks, by five orders of magnitude. The clock uses non-linear optical fibers to generate optical-frequency combs and determine frequencies by counting the number of teeth in the comb.
The University of Michigan College of Engineering will unveil the Fast Imaging Plasma Spectrometer (FIPS), a revolutionary instrument for NASA's MESSENGER Mission to Mercury. The FIPS project demonstrates how high-performance, low-weight instruments can be used to explore the solar system without risk to human life.
Researchers found that intensive blood pressure control reduces cardiovascular events in patients with diabetes and PAD. The study suggests aggressive blood pressure management is particularly beneficial for the diabetic population, even among those with low ankle-brachial index.
A new study reveals that mercury in California rainwater originates from industrial emissions in Asia, particularly coal combustion and ozone production. High concentrations of mercury were found in coastal and inland sites, with urban smog influencing the oxidation rate.
Researchers found that mercury in fish counteracts the benefits of omega-3 fatty acids, increasing the risk of heart attack. Consuming low-mercury fish like salmon can help reduce cardiovascular risk.
Researchers grew a molecular film on liquid mercury, discovering four distinct patterns as molecules assemble. The study paves the way for controlling film growth and tailoring materials for nanoelectronics and nanosensor technology.
The GSA 2002 conference discusses the impacts of human activities on natural systems, including droughts, wildfires, and ground-water depletion. Researchers also explore the role of climate change in shaping Earth's history, as seen in sediment cores from the Great Blue Hole.
Research found that reducing blood pressure to less than the standard goal also lowered artery stiffness in patients with high blood pressure. The study involved 142 nondiabetic patients who received antihypertensive drugs, resulting in a significant decrease in artery stiffness for those with lower target pressures.
The study reveals how aluminum floc forms in polluted streams, binding to toxic metals and transporting them downstream, harming fish and other aquatic animals. Understanding the molecular pathways of this process may lead to practical solutions to prevent the reactions.
A recent study by UC Irvine researchers suggests that dwelling on emotionally charged events, such as arguments, can lead to higher blood pressure and increased risk of later health problems. The study found that ruminating over past stresses can cause longer recovery times in the body than non-emotional yet stressful events like running.
The presentation highlights various sources of food poisoning, including animal, plant, and chemical contaminants, as well as common types such as bacterial, viral, and parasitic infections. Early identification of these organisms is crucial for preventing severe illness or death.
Researchers have discovered high levels of mercury contamination in the Still River and Housatonic River in Danbury, Connecticut, threatening human health through seafood consumption. A 'jubilee' phenomenon has also been recorded in Mobile Bay, Alabama, where abundant seafood is harvested during specific conditions.
The National Institute of Allergy and Infectious Diseases (NIAID) has expanded its vaccine testing network, which has been a national resource for vaccine development since 1962. The new network will test vaccines against potential agents of bioterrorism and assess emerging hypotheses about vaccine-related adverse side effects.
Raman Imaging of Human Macular Pigments demonstrates a rapid screening technique for macular degeneration using Raman spectroscopy. The method provides insight into individual variations in spatial profiles and total amounts of macular carotenoid pigments.
Researchers are enhancing genetically altered algae to maximize its ability to pick up trace metals in Lake Erie, a potential game-changer for Great Lakes bio-remediation. Meanwhile, efforts to eradicate invasive Spartina anglica in Puget Sound aim to support native birds and the seafood industry.
A study found that Finnish men with high mercury levels in their hair had a 60% increased risk of death from cardiovascular disease and a 70% increased risk of coronary heart disease. The study suggests that avoiding regular consumption of old, large predatory fish is key to reducing the risk.
The MESSENGER project has passed a critical design review and is ready to move forward with building its spacecraft. The spacecraft will study Mercury's composition, geologic history, and magnetosphere over a one-year orbit, providing valuable insights into the inner solar system.
Scientists discover mercury released into polar environments when sun rises, entering snowpack and potentially affecting food webs. The 'mercury sunrise' phenomenon contributes to increasing mercury levels in Arctic seabirds and marine mammals.
Researchers at Dartmouth College found that algae helps to reduce the concentration of methylmercury in Daphnia and fish by dispersing it widely throughout single-celled algae cells. This discovery has significant implications for understanding mercury biomagnification in aquatic ecosystems.
Research suggests asteroids were responsible for a massive impact event 3.9 billion years ago, which destroyed older rocks and created thousands of craters across the inner solar system. This bombardment may have provided an environment conducive to pre-biotic chemistry and early life evolution.
Scientists discover the lower Hudson River estuary is slowly cleaning itself due to tidal forces, storms, rain, and spring runoff stirring up polluted sediment. The process transforms contaminants into less toxic forms, allowing them to be released out to sea.
A new patented technique uses titanium dioxide nanoparticles to bind and remove mercury from combustion exhausts, trapping the toxic metal with high effectiveness. The process leverages photocatalytic properties of titanium dioxide to oxidize mercury, making it a promising solution for controlling mercury emissions.
Researchers will study the health impact of chemicals in fish on refugees' children, as well as educate communities about safe fishing practices. The center aims to address the effects of combined PCB-methyl mercury exposure.
Biologists at the University of Pennsylvania have discovered a biochemical pathway in animals responsible for detoxification of heavy metals. The discovery establishes a firm basis for determining its ubiquity in other animals and clarifies how animals eliminate, sequester and metabolize heavy metals.
Researchers successfully tested a corn-based activated carbon for removing mercury emissions from coal-fired power plants, achieving results comparable to commercial products. The technology demonstration marked the first time this approach was applied to high-sulfur Illinois coal flue gas.
A study by Princeton University and the Institute for Advanced Study suggests that Earth's varying reflections can provide clues about distant, potentially habitable planets. By analyzing changes in light over time, scientists may gain insights into a planet's weather, oceans, or even plant life.
A new study found that wood smoke is toxic to certain aquatic organisms in the Great Lakes region. The researchers collected particulate matter samples from different areas along the shores of southern Lake Michigan and found concentrations as low as 10-15 milligrams per liter killed 50% of water fleas within a 24-hour exposure.
The Annals series examines complementary and alternative medicine (CAM), classifying hundreds of therapies into a new taxonomy. CAM modalities like herbs, acupuncture, and homeopathy are studied, as well as the social context and effectiveness of these practices.
The journal launches a series on complementary and alternative medicine (CAM), classifying over 200 therapies into eight categories. ACP-ASIM opposes the legalization of physician-assisted suicide, citing concerns about inadequate care at end-of-life.
A study reformulates a common anti-depressive medication of the nineteenth century, revealing that it would have delivered a daily dose of mercury exceeding current safety standards. Mercury poisoning may have explained Lincoln's neurological symptoms, including insomnia and rage attacks, but also contributed to his famous composure.
A new computer recycling model developed by Purdue University's Julie Ann Stuart can help recyclers determine the economic viability of processing bulk materials. The model takes into account factors such as metal prices and helps prevent financial losses for recyclers.
A seven-year study by University of Florida researchers found a 73% drop in mercury levels in wading bird chicks' feathers since 1994. The declines may be linked to the removal of mercury from commercial products and industrial processes, starting in the late 1980s.
Researchers have deciphered the gene sequence of Ralstonia metallidurans, a bacterium that thrives in toxic metals, enabling potential bioremediation applications. The draft genome reveals resistance genes to various heavy metals, paving the way for genetic engineering and monitoring tools.
USGS researchers link Mercury levels in Lake Tulane to global climate changes, while also analyzing African dust's role in affecting coral health. Additionally, scientists explore the Chesapeake Bay bolide's crater formation and its structural implications.
A Wisconsin lake study has found that acid rain effects can last for decades, with the chemistry of the lake correcting itself naturally within two years. However, the biological changes took much longer to recover, with some species thriving while others were decimated.
Researchers at the University of Illinois have developed a way to use old tires and pistachio shells to remove mercury emissions from power plants. The activated-carbon adsorbents show promise as a cost-effective alternative to current commercial products.