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Tag: "effects" at biology news

Does God answer prayer? ASU research says 'yes'

... comprehensive analysis of 17 major studies on the effects of intercessory prayer ?or prayer that is offered ...r, which is the most recent and showed no positive effects for intercessory prayer, is the final word,?said Hodge, referring to a 2006 article by Dr. Herbert B...

Large size crucial for Amazon forest reserves

...n colleagues. The most striking result is that the effects of area on the occurrence of bird species are much stronger than the effects of isolation. "It is no surprise that small isolated fragments lack many species" said Ferraz. ...

Researchers urge monitoring of bone health during chemotherapy

... that a medication often used to reduce toxic side effects of chemotherapy induced bone loss and helped tumor...CSF with chemotherapy have so far shown no adverse effects on survival and no increase in bone metastasis. In fact, breast-cancer patients undergoing dose-dens...

Genes and biomarkers that allow doctors to choose the right therapy for the right patient

...ies are ineffective, they may produce harmful side effects and decrease a patient’s quality of life. KRAS mutation in colorectal cancer is a predictive factor of response and progression free survival in patients treated with Cetuximab: Abstract 5671 Mutations in the KRAS oncogene could predict a la...

Carnegie Mellon University research shows how sensory-deprived brain compensates

...g, taste, smell or touch are common disabling side effects of traumatic brain injury and stroke. In her study, Barth recorded brain activity in mice with various degrees of whisker removal. As a first step in her research, Barth removed all but one whisker and recorded neural activity in a brain region lo...

Prenatal cocaine's lasting cellular effects

...ways effective in these children. Studying the effects of prenatal cocaine exposure on the developing bra...al circuitry. It's also involved in the behavioral effects of amphetamines and cocaine." "The current study was an attempt to look at the mechanism of this...

Cancer tip -- Nanoparticles can damage DNA, increase cancer risk

...se, there are no known ways to prevent the harmful effects of environmental nanoparticles. "It is important to know whether the nanoparticles are entering the cell and causing DNA damage directly or if they are acting on the membrane and inducing a cascade of events resulting in DNA damage," Pacheco said....

Researchers first to map gene that regulates adult stem cell growth

...ly stem cell population that has been examined for effects of Latexin to date is in bone marrow. Van Zant said it is possible, even probable, that other stem cell populations in tissues such as the liver, skin, pancreas or brain may be similarly affected by Latexin. This could open up new therapeutic strateg...

OHSU lab finds meth receptor that could lead to therapy

... therapies aiming to reverse meth’s adverse health effects as well as reduce the craving that drives its abus...ed by this observation, Grandy's team explored the effects of these drugs on mouse TAAR1 and a human-rat TAAR1 hybrid and found all three receptors respond in ...

Global 'sunscreen' has likely thinned, report NASA scientists

...rosol effects," Romanou said. "Aerosols have other effects that contribute to dimming, such as making clouds more reflective and longer-lasting. These effects were found to be almost as important as the direct effects." The combined effect of global dimmin...

Xylitol reduces risk of cavities

...g gum and lozenges. The dissertation studies what effects the substance has on the ecology of the oral cavit... relatively high dose of xylitol used, no negative effects were reported, such as stomach troubles. Products with xylitol as the sole sweetener are uncommon...

Growth hormone is not the anti-aging bullet for healthy adults

... who took GH had increased rates of unhealthy side effects such as soft tissue swelling, joint pain, carpal t...bout two kilograms. But it had no other beneficial effects that we could see. "If you went to a gym pretty regularly, you might get that change without brea...

How genetic malfunction causes a form of retardation

...ell formation. The researchers also studied the effects of the mutation in mice engineered to mimic the human disorder. Like humans with NS, the mice had only one mutant copy of the SHP-2 gene, while the other was normal. The researchers observed in the animals?brains increases in neuron density and perce...

New research says winning a Nobel Prize adds nearly 2 years to your lifespan

...h has changed over time. By comparing the possible effects of that variation, they found that the amount of actual prize money won by Nobel prize winners had no effect on their longevity - suggesting that it is the sheer status boost of the award that is important in extending lifespan. The researchers al...

Ethanol vehicles pose a significant risk to human health, study finds

...ion,'' he explained. ''In addition, overall health effects depend on exposure to these airborne chemicals, wh...ated emergency visits.'' The deleterious health effects of E85 will be the same, whether the ethanol is made from corn, switchgrass or other plant products,...

Antivirals effectively curb influenza virus

...uenza A (H3N2 or H1N1). The authors reviewed the effects of each antiviral on infectiousness and pathogenic...In exploring the reasons for oseltamivir's greater effects on infectiousness, the authors speculated that the different modes of administration ?oral for oselt...

Eating less salt could prevent cardiovascular disease

...tudy of sufficient size and duration to assess the effects of a low salt diet on cardiovascular problems based on randomised trial data. It provides unique evidence that lowering salt in the diet might prevent cardiovascular disease. ...

New cigarette designs don't offer lower predicted cancer risks

...ot adequately understand the sources of the cancer effects of smoke from conventional cigarettes. As a result, even if some of the known toxins –such as formaldehyde, arsenic, and cadmium ?are removed from cigarette smoke by the new PREP designs, tobacco companies could not be sure the cancer risks had been ...

Birth rate, competition are major players in hominid extinctions

...rrow environments, were less able to withstand the effects of climate change. Paranthropus boisei, a Pleistocene hominid, thrived around 2.5 million years ago, but disappears from the fossil record a million years ago. Paranthropus boisei became extinct when it was unable to compete with other mammals. ...

Penn researchers replace organ in adult mice using 'single-parent' stem cells

... To study uniparental stem cells and the possible effects of genomic imprinting, McLaughlin's team created an experiment in which they would attempt to reconstitute the hematopoietic, or blood-producing, stem cells that were destroyed in mice exposed to radiation. The Penn researchers first created gynogen...

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