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Vitamin D may exacerbate autoimmune disease

... than a cause of disease and that supplementing with vitamin D may actually exacerbate autoimmune disease. Authored by a team of researchers at the ... vitamin D may provide short-term relief by lowering inflammation but may exacerbate disease symptoms over the long-term. The insights are based on ...

Rising food prices threaten world's poor people

... and price volatility of food. Subsidies for biofuels, which are common, exacerbate the negative impact on poor households, as they implicitly act as a tax on ... world food situation, current market trends and government policies could exacerbate hunger and poverty, especially for the worlds poorest people. Policymakers ...

Symposium to discuss geoengineering to fight climate change at the ESA Annual Meeting

... carbon dioxide from the increasingly carbon-rich atmosphere dissolving into seawater. In fact, Miller says, ocean fertilization schemes will likely exacerbate this problem. "Any large-scale fertilization could cause risks to ocean ecosystems as great as those of global warming itself," he says. ...

Scientists report first remote, underwater detection of harmful algae, toxins

... and severity of their effects. HABs damage coastal ecosystem health and pose threats to humans as well as marine life. Climate change is expected to exacerbate this trend, since many critical processes that govern HABs dynamics, such as water temperature and ocean circulation, are influenced by climate. A ...

Cell's split personality is a major discovery into neurological diseases

... nutrients and an optimal environment. However, this study indicates that glial cells also have a more sinister side that allows them to induce or exacerbate neuronal death in pathological conditions. "Neuronal cell death induced by glutamate is a key step in a large number of injury and disease ...

Mighty diatoms: Global climate feedback from microscopic algae

... smaller sized diatoms dominate, then carbon sequestration becomes less efficient and there may be more CO 2 remaining in the atmosphere, which would exacerbate global warming." ...

Researchers explore new driver of transplant rejection: Platelets

... In fact, mounting evidence from Morrell and others shows that platelets are part of a sustained and general immune response that can trigger or exacerbate organ rejection. Not only do they rush to the scene of a wound and adhere to local blood vessels, preventing fatal bleeding, they also dump out ...

Landscape-scale treatment promising for slowing beetle spread

... Canada, where more than 22 million acres are affected, according to the British Columbia Ministry of Forests and Range. Outbreaks of this magnitude exacerbate global warming by converting forests from carbon sinks to carbon sources. Scientists have known for more than a decade that one of the safest ...

Overuse of narcotics and barbiturates may make migraine worse

... migraine," said Dr. Lipton. "Primary care practitioners and patients should try to avoid the use of narcotic or barbiturate medications that may exacerbate migraine; if these drugs are necessary, patients should be advised of the risks of medication overuse and dose limits should be applied." ...

Acoustical Meeting, Nov. 10-14, 2008 in Miami, Florida

... hear and locate in many shallow water conditions." In Florida's murky waters, where boaters and manatees cannot see each other, slow speed zones exacerbate the risks of collisions, by making these boats inaudible to manatees and increasing the transect times through manatee habitats. Gerstein and his ...

BioScience tip sheet, November 2008

... are rarely traded in markets, but are declining because of over-consumption of common-pool resources. Current economic incentives and property law exacerbate the trend. Reform in these areas and the development of ecosystem service districts could remedy this social trap. Seeing the Wood for the Trees: ...

Eastern Pacific tuna hang in the balance

... the overcapacity problem are technological advancements which allow fishermen to locate and capture ever scarcer fish. Unfortunately, market forces exacerbate the problem; as stocks decline, fish prices rise and the pressure to expand fishing opportunities and cash in on the bonanza increases. Not ...

Stress may make you itch

... Researchers lead by Dr. Petra Arck of Charit, University of Medicine Berlin and McMaster University in Canada, hypothesized that stress could exacerbate skin disease by increasing the number of immune cells in the skin. To test this hypothesis, they exposed mice to sound stress. Dr. Arck's group ...

Depression during pregnancy can double risk of preterm delivery

... depressive symptoms. These findings also provide preliminary evidence that social and reproductive risk factors, obesity, and stressful events may exacerbate the depression-preterm delivery link, according to the researchers. Because the majority of the women in the study did not use anti-depressants, ...

Providing toilets, safe water is top route to reducing world poverty: UN University

... globalization and inappropriate policies on investment, urbanization, and intensification of agriculture as the five global trends most likely to exacerbate water supply and sanitation problems in years to come. "The UN's Millennium Development Goal, agreed in the year 2000, committed nations to halve ...

Forest peoples' rights key to reducing emissions from deforestation

... fifteen months, the world will have to make a choice," said Lvold. "We can continue to ignore the legitimate rights of forest dwellers, which will exacerbate conflict in forests and make REDD ineffective. Or we can learn from the lessons of the past, recognize the property and human rights of forest ...

Where optics meets medicine

... can be followed with fluorescence microscopy. Schaffer and his colleagues are looking at whether putting tiny clots in the microvasculature can exacerbate Alzheimer's disease. Using transgenic mice that are predisposed to developing early-onset Alzheimer's disease, they have already shown that clotting ...

Study reveals specific gene in adolescent men with delinquent peers

... from low-risk families. As a result, we now have genuine empirical evidence that the social and family environment in an adolescent's life can either exacerbate or blunt genetic effects." Beaver and research colleagues John Paul Wright, an associate professor and senior research fellow at the University ...

CU-Boulder study suggests air quality regulations miss key pollutants

... out that while all types of fine particle pollutants are considered harmful, little is known about how a particle's chemical composition might exacerbate its impact on human health. Fine particles have diameters of less than 2.5 microns, or less than one-tenth the diameter of a human hair. The ...

Fuel emissions from marine vessels remain a global concern

... GHG impact. This result was counter to claims by the petroleum industrywhich suggested that the use of cleaner fuels in the marine sector would exacerbate green house GHG problems. "Given that the GHG impacts associated with cleaner fuels are almost nil, and given the tremendous advantages of these ...

Biocontrol insect exacerbates invasive weed

... in Montana have found that through complex community interactions among deer mice, native plants and seeds, the presence of an introduced fly may exacerbate the effects of the invasive plant it was meant to control. The authors report their results in the September issue of the journal Ecological ...

Oceans on the precipice: Scripps scientist warns of mass extinctions and 'rise of slime'

... gas emissions. Jackson describes the potently destructive effects when forces combine to degrade ocean health. For example, climate change can exacerbate stresses on the marine environment already brought by overfishing and pollution. "All of the different kinds of data and methods of analysis point ...

Biofuels and biodiversity don't mix, ecologists warn

... its potential impact on the region's biodiversity. Unless future expansion of oil palm agriculture is regulated, rising global demand is likely to exacerbate the high rates of forest conversion in major oil palm-producing countries," says Dr Koh. Palm oil plantations currently cover around 13 million ...

Resuscitation technique after brain injury may do more harm than good

... replacing the myelin in the long term. "We wanted to determine whether recovery in 100 percent oxygen after this sort of brain injury would exacerbate neuronal injury and impair functional recovery, and in these animals, it did impair recovery," Dr. Kernie said. "Our research shows even brief ...

Drought tolerance in potatoes

... Climate change is expected to exacerbate drought events throughout the world, resulting in large-scale ecosystem alteration and failure of drought-sensitive crops. In addition, periods of ...

World-class environment vision to 'bring back the species'

... Lofty Ranges and a further 60 species continue to decline in numbers despite the cessation of vegetation clearance in the 1980s. Climate change will exacerbate these losses," he says. "This will be a terrible loss for all South Australians, but it is avoidable, if suitable and resilient habitats are ...

Complex dynamics underlie bark beetle eruptions

... an epidemic operate at different scales and turn on critical thresholds, prediction is a challenge. It is nonetheless clear that human activities can exacerbate bark beetle eruptions, which cause major economic losses and reduce forests ability to absorb carbon from the atmosphere. ...

Heavy metals in the Peak District -- evidence from bugs in blanket bogs

... erosion processes, says Dr Linton. Changes in bacterial diversity make these areas more at risk from carbon release processes. This in turn may exacerbate climate change and change ecosystem functioning The high level of heavy metals is due to the history of atmospheric pollution in these areas. This ...

Story ideas from the Journal of Biological Chemistry

... fat metabolism. The benefit of burning fats instead of glucose for energy is that it produces fewer oxygen radicals which can damage cells and exacerbate the effects of aging. Confirming this, Combs and colleagues found far less free radical damage, measured as the frequency of a chemical modification ...

Wildfire drives carbon levels in northern forests

... soil warms enough to melt underlying permafrost, even more stored carbon may be unleashed. A trend toward hotter and drier conditions is likely to exacerbate the effects of fire by increasing the frequency, intensity, and size of burns. "All it takes is a low snowpack year and a dry summer," Gower says. ...

Gender, coupled with diabetes, affects vascular disease development

... The second group received streptozotocin (STZ) to induce diabetes. The third group received STZ plus growth hormone (GH), which is thought to exacerbate disease progression in diabetes. After eight weeks, the vascular reactivity to phenylephrine, which increases blood pressure, and acetylcholine, ...

Study Finds Moderate Hypothermia A Safe Treatment For Traumatic Brain Injury In Kids

... for children. TBI initiates several metabolic processes that can exacerbate the injury. Adult research has produced evidence that hypothermia may ... can help control brain swelling and intracranial pressure, which can also exacerbate secondary injury if left unchecked. Induced hypothermia can be ...

A new jump start for aging blood vessels

... healthy individuals. Advanced age is also associated with increased levels of TNFa, a protein that can attack and destroy tumor cells but can also exacerbate chronic inflammatory diseases. To date, no studies have investigated the potential beneficial effects of TNFa inhibition in vascular aging, making ...

Higher levels of obesity associated with greater health risks

... relationship," the authors write. "Our findings have important clinical and policy implications. The escalating prevalence of extreme obesity may exacerbate the health effects and health-related expenditures resulting from the U.S. obesity epidemic. Calculating the weight-related risks of morbidity and ...

Dartmouth study finds that arsenic inhibits DNA repair

... us from DNA-damaging agents, such as those found in cigarette smoke," says Andrew. "The concern is that exposure to drinking water arsenic may exacerbate the harmful effects of smoking or other exposures." Andrew explains that in regions of the United States where the rock contains higher levels of ...

Chemical in many air fresheners may reduce lung function

... not assessed in this study1that have been linked to both respiratory impairment and levels of 1,4-DCB. "This research suggests that 1,4-DCB may exacerbate respiratory diseases," said David A. Schwartz, M.D., NIEHS Director. "As part of the new disease-focused approach at NIEHS, researchers will use ...

Study: Competition for sex is a 'jungle out there'

... suggests that plants in these areas area also very fragile. They already suffer from low pollen receipt, and future perturbations of the habitat may exacerbate the situation." According to Knight, there is no doubt that a reduced number of pollinating species ?bees, flies, birds, even bats -- is one ...

Health of Acehnese reefs in the wake of the tsunami shows human impacts more harmful

... Laut, coral cover was high. In contrast, reefs exposed to destructive fishing had low coral cover and high algal cover, a change that the tsunami may exacerbate in bringing an influx of nutrients and sediments. However, the researchers found that there was no evidence to support the idea that healthy reefs ...

Researchers show how air pollution can cause heart disease

... mice were 26.2 percent clogged. In both normal and high-fat diet mice, PM2.5 exposure increased cholesterol levels, which are thought to exacerbate plaque buildup. Though findings for increased plaque among mice eating normal diets were not statistically significant, Dr. Chen believes that ...
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(Date:7/30/2014)... July 30, 2014 The Nano-Bio Manufacturing ... States Air Force Research Laboratory (AFRL), has awarded ... Binghamton University to develop electronics and ... The $425,000 project, with contributions from the University ... Electronics, Inc. ( Endicott, N.Y. ), ...
(Date:7/30/2014)... online today in the journal Scientific Reports , ... and Auroop Ganguly found that while global temperature is ... extremes. For instance, while each year,s average hottest and ... tend to fall within a wider range of potential ... observed. This means that even as overall temperatures rise, ...
(Date:7/29/2014)... BELLINGHAM, Washington, USA The advanced optical methods and ... are driving a revolution in the neurosciences were the ... published by SPIE, the international society for optics and ... of the BRAIN Initiative in the United States, and ... vision for and provide examples of the impact that ...
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(Date:7/30/2014)... By Dennis Thompson ... -- Older people with depression are more likely to develop ... nature of the relationship between the two. Specifically, they ... the relationship works -- does depression help bring on dementia, ... new study published online July 30 in the journal ...
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