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OJ worse for teeth than whitening says Eastman Institute researchers

With the increasing popularity of whitening one's teeth, researchers at the Eastman Institute for Oral Health, part of the University of Rochester Medical Center, set out to learn if there are negative effects on the tooth from using whitening products. Eastman Institute's YanFang Ren, DDS, PhD...

Chantix side effects no worse with depression history

People with a likely history of depression who take varenicline (Chantix) do not report more severe mood symptoms, medication side effects, or less success quitting smoking compared to people with no history of depression taking this drug. The findings by Group Health, Free & Clear, and SRI I...

Toll of climate change on world food supply could be worse than thought

Global agriculture, already predicted to be stressed by climate change in coming decades, could go into steep, unanticipated declines in some regions due to complications that scientists have so far inadequately considered, say three new scientific reports. The authors say that progressive changes...

Cigarette smoke, alcohol damage hearts worse as combo

BIRMINGHAM, Ala. Tobacco smoke-filled air is bad for cardiovascular health, and drinking alcohol at the same time only makes it worse, according to researchers at the University of Alabama at Birmingham (UAB). Testing the theory that moderate alcohol consumption provides some heart-protection ...

Overuse of narcotics and barbiturates may make migraine worse

November 17, 2008 (Bronx, NY) A team of researchers led by investigators at the Albert Einstein College of Medicine of Yeshiva University has determined that certain commonly-prescribed medications may have the unintended consequence of increasing the frequency of migraine attacks. This importan...

Moving to the US increases cancer risk for Hispanics

... PHILADELPHIA Results of a new study confirm trends that different Hispanic population groups have higher incidence rates of certain cancers and worse cancer outcomes if they live in the United States, than they do if they live in their homelands. "Hispanics are not all the same with regard to th...

Most older long-term cancer survivors have poor health habits

...o exercised more and had better dietary habits experienced better vitality and physical functioning. On the other hand, individuals who were obese had worse physical quality of life. "Our findings point to the potential negative impact of obesity and the positive effect of regular exercise and a healthy...

22nd Congress of the European College of Neuropsychopharmacology, Sept. 12-16, 2009, Turkey

...ring from mental disorders, and in the European Union, mental disorders range as one of the leading causes of disease burden. What makes the situation worse is that the prevalence of mental and neurological disorders is expected to grow for a variety of reasons: an ageing population will lead to an increas...

New theory gives more precise estimates of large-scale biodiversity

...spatial scales, but it will increase (the direness) of estimates of loss at smaller scales." Losing half of a small biome, for example, will have a worse impact than people think, while losing half of a large area would turn out better, he said. Harte, who spends his summers in the Rocky Mountains st...

Natural compound stops retinopathy

...ssels may swell and leak fluid. In other people, abnormal new blood vessels grow on the surface of the retina. Over time, diabetic retinopathy can get worse and cause some vision loss or blindness. Oklahoma researchers found that this inflammation and leakage is caused by an imbalance of two systems in...

Ability to literally imagine oneself in another's shoes may be tied to empathy

... imagine themselves in the position of the person on the screen. Previous work has shown that women generally report more empathy than men and perform worse on tests of visuo-spatial abilities. "Although it is somewhat counterintuitive that taking more time to imagine another's physical perspective was...

Athletes, spectators faced unprecedented air pollution at 2008 Olympic Games

...ulate air pollution during the 2008 Olympic Games in Beijing constantly exceeded levels considered excessive by the World Health Organization, was far worse than other recent Olympic Games, and was about 30 percent higher than has been reported by Chinese environmental experts even though some favorable w...

Test detects molecular marker of aging in humans

...dex (BMI) despite other data suggesting that caloric restriction slows aging. The data suggest the possibility that reduced exercise may actually be worse with regard to molecular age than a higher BMI." "Although we don't know whether this test is a good reflection of cellular age in all types of hum...

Equity concerns raised by congestion pricing can be addressed to make approach viable

... congestion pricing, there will always be some individuals who will be made worse off. However, many of these people also are disadvantaged by the status quo...olled lanes more, studies have not shown that lower-income drivers are left worse off, in part because they may benefit from improved traffic flow in the fre...

Study suggests obese women should not gain weight

...tudes have contributed to the obesity epidemic in the U.S., where 35 percent of women are considered obese, says the researcher. The situation is even worse among African-American women, four out of five of whom are overweight or obese. "Gaining weight during pregnancy contributes to obesity, and it ma...

A new mouse model provides insight into genetic neurological disorders

...come defective, which causes weakening and loss of muscle that is significant enough in some cases to lead to death. The symptoms become progressively worse over time and no effective treatments or cures exist for these diseases. Researchers came together from the University College London (UCL), the Medi...

Study finds link between individual stress and adolescent obesity

...ent dads eat better -- more vegetables, less fast food," she said. "However, similar to the Lohman study, living with a single mom was associated with worse eating habits." Lohman says the new research should emphasize the need for healthcare professionals to take a more holistic approach in their treat...

Human role in Indonesian polluting forest fires -- Guido van der Werf in Nature Geoscience

... but also large quantities of carbon monoxide and particulate matter. Consequently, during major fire years the air quality in Indonesia is many times worse than that of the most polluted cities of the world. Moreover, the polluted air also affects people living in neighbouring areas. ...

New evidence of how high glucose damages blood vessels could lead to new treatments

... more O-GlcNAc to the mix and it seems to beat phosphorylation to the punch so there is the opposite result. The longer O-GlcNAc levels were high, the worse the resulting problem, says Victor Lima, a graduate student at the University of Sao Paulo working with Dr. Tostes. An animal model of hypertension...

Does mom know when enough is enough?

...se a daunting challenge. Feeding an infant is a primal behavior, and to suggest to a new mother that she is feeding her infant too often, too much, or worse yet, is not very good at reading her infant's signals, would require an extremely skilled nurse or social worker. Giving counsel after watching a moth...

Small molecules might block mutant protein production in Huntington's disease

...e, represented by the letters CAG. These mutations result in the body producing malfunctioning proteins that cause the diseases. The more repeats, the worse the disease, and the earlier in life it appears. A person with the disease carries one normal copy of the gene and one mutated copy in his or her cell...

Indigenous peoples at world summit to share climate change observations, coping techniques

...ce subsistence lifestyles and share a deep connection with ancestral lands. Says Prof. Oliver-Smith: "Climate change will make things significantly worse for people with difficult lives already due to discrimination, poor nutrition and health conditions. Most Indigenous Peoples today live oppressed exi...

Lab study shows THC exposure as adolescents linked to negative effects of THC as adults

...to THC as adolescents. All rats given THC did worse on tests than did similar animals receiving saline...owed a dose-dependent reaction: the more THC, the worse they performed. However, the rats that had been e...sed to THC earlier in life performed significantly worse at the varying doses of THC than did the rats for ...

New insights into progressive hearing loss

... hair cells from birth and the cells degenerated from an early age. In mice with one copy of the mutant gene, the effects were less severe, but became worse with age. "The mutation - a change of a single letter of genetic code from A to T - in this tiny stretch of sequence is enough to lead to dramatic ...

Health choices predict cancer survival, U-M study finds

...nk, didn't exercise or didn't eat enough fruit when they were diagnosed had worse survival outcomes than those with better health habits, according to a new ...t survival. Problem drinking and low fruit intake were also associated with worse survival, although vegetable intake was not. Lack of exercise also appears ...

Bad mix of bacterial remnants and genetics leads to arthritis

...is: bacteria. In the study, scientists from the United States and The Netherlands show that a specific gene called NOD2 triggers arthritis or makes it worse when leftover remnants of bacteria cell walls, called muramyl dipeptide or MDP, are present. This discovery offers an important first step toward new ...

Genetic irregularities linked to higher risk of COPD among smokers

... among smokers. "While it is clear that choosing to smoke is one of the worst health decisions a person can make, we now know that choice is even worse for some people than others," Goldstein said. "Our study also suggests that familiar measures of risk such as packs per day or smoking years, while in...

University researchers to develop coatings that kill superbugs

...ow. So-called "superbug" bacteria such as MRSA are dangerous because they are resistant to most conventional antibiotics, a problem that is getting worse each year. To try and understand this problem, the researchers will also be studying which genes allow bacteria to become resistant. Dr Jenkins...

Statement by Sandy Andelman, co-author of 'Drought sensitivity of the Amazon Rainforest'

...f ecosystem security in short, how nature keeps us healthy. It shows that a warming climate is not the only problem; drying climate is just as bad or worse for both nature and people. "More than half the species on Earth and at least 2 billion people depend directly on tropical forests for survival. At...

After a few drinks, older adults more impaired than they think

...study metabolized alcohol similar to how younger people did, they performed worse on special tests after having moderate amounts of alcohol and did not alway...r rate right after drinking and reached the same peak, the older adults did worse on tests. That suggested the performance gap seen after moderate amounts of...

Climate change affecting Europe's birds now, say researchers

...ealise how much change we are noticing in wildlife populations. If we don't take our foot off the gas now, our indicator shows there will be many much worse effects to come. We must keep global temperature rise below the two degree ceiling; anything above this will create global havoc." The research sho...

Decisive action needed as warming predictions worsen, says expert

...on-intensive. We are definitely in unexplored terrain with the trajectory of climate change, in the region with forcing, and very likely impacts, much worse than predicted in the fourth assessment." New studies are also revealing potentially dangerous feedbacks in the climate system that could convert c...

Stress may hasten the growth of melanoma tumors

...rease in IL-6. In untreated samples from this cell line, you normally can't detect any IL-6 at all. "What this tells us is that stress might have a worse effect on melanoma that is in a very aggressive or advanced stage, and that one marker for that might be increased levels of IL-6," he said. The re...

What we don’t know still hurts us, environmental researchers warn

...to publish what amounts to a post-MEA gap analysis in the Proceedings of the National Academy of Science . "The conclusion that things are getting worse in general comes out of the Millennium Ecosystem Assessment," he said. "Our job was to say 'OK, what science do we need to do?'" Among the biggest...

Stress disrupts human thinking, but the brain can bounce back

...edial prefrontal cortex. He found that male med students who said they were stressed out one month before they were to take their boards fared much worse on attention-shifting tasks than similar healthy adults who claimed to be taking it easy. The high stress levels, gauged by an established measure cal...

Disabled and other vulnerable groups more susceptible to terrorism fears

...has shown that certain marginalized groups including the mentally ill, the disabled and ethnic minorities such as African Americans and Latinos fare worse than others in the aftermath of natural disasters, suffering disproportionate impoverishment, injuries and fatalities. Now, a new study by UCLA ...

Maternal health problems in Myanmar widespread

...program designed to assist in providing maternal health care in eastern Burma. "The indicators and coverage estimates provided here are strikingly worse than the already low national estimates for Burma that have been provided by various institutional reports," said Chris Beyrer, MD, MPH, senior author...

Sweetened beverage consumption increases in the US

...appened to be among populations at greater risk for obesity. There are few signs of improvement over the past decade and the situation seems to become worse among young adults aged 20 to 44." According to Bleich and colleagues, efforts to reduce sugar-sweetened beverage consumption may be an important ...

Statin warning for pregnant women

... University of Manchester has shown that even water-soluble or 'hydrophilic' statins, such as pravastatin, can affect placental development leading to worse pregnancy outcomes. "The rapid rise in obesity and type-2 diabetes is a major health issue and affected individuals are often treated with statins ...

Pain is in the eyes of the beholder

...t size of their arm, and while looking through inverted binoculars that reduced the apparent size of their arm. While the patients' pain was always worse after movement than it was before, the extent to which the pain worsened depended on what people saw. Specifically, the pain increased more when parti...
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