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Tag: "worse" at biology news

Global survey of lizards reveals greater abundance of animals on islands than on mainland ecosystems

...y, which are expected by many scientists to become worse as a result of global warming. Jetz and Buckley gathered 643 estimates of lizard abundance from around the world for their survey, the first extensive global study of island densities for any animal group. Analyzing these estimates, they determine...

Heart failure: Intervention possibilities from imaging programmed cell loss

...We discovered that higher uptake was uptake with a worse outcome. Cell death is one of the biological events that worsens left ventricular events," said Hofstra. "Our results indicate that heart muscle cell death is an active and ongoing process in heart failure, and that annexin imaging could possibly ...

The penalty of having a sister -- why sibling sex matters for male saiga antelopes

...iga mixed-sex twins, the male foetus appears to be worse off, not the female. Aline adds that the effect of size on male saigas later in life cannot be underestimated: "Even a relatively small decrease in birth weight is likely to have an amplified negative effect on male reproductive fitness in specie...

Cold sore virus might play role in Alzheimer's disease

...somehow damages the brain, and that such damage is worse in people with the ApoE-4 copy of the gene. Earlier this year Federoff's team published a study that showed inflammation is the earliest change that could be detected in a brain affected by Alzheimer's disease, before any of the hallmark plaques or t...

Anxiety disorders surprisingly common yet often untreated

...r anxiety," he said. Patients with anxiety have worse functional status, more disability days and more physician visits than patients without mental illness. Untreated anxiety disorders can be disabling. ...

Trusting your instincts leads you to the right answer

...e when our rational mind is more likely to perform worse than our subconscious ?but the conscious mind still tends to veto the subconscious. Ten participants were asked to locate the only back to front version of a repeated symbol on screen and were given between zero and 1.5 seconds from the moment thei...

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

...ity." According to Pacheco, what makes matters worse is the fact that so far, aside from preventing their release, 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 di...

Custom-made cancer cell attacks

...iciency and very low capital investment. But is it worse for the environment than climate change? That's the question.'' According to Somerville, ''Climate change threatens biodiversity more than anything that I know. For example, in British Columbia they are losing each year forests the size of Rhode I...

Cellulosic ethanol: Fuel of the future?

...iciency and very low capital investment. But is it worse for the environment than climate change? That's the question.'' According to Somerville, ''Climate change threatens biodiversity more than anything that I know. For example, in British Columbia they are losing each year forests the size of Rhode I...

Antibody signal may redirect inflammation to fuel cancer

...reat B cell lymphoma and auto-immune diseases made worse by inflammation, such as rheumatoid arthritis. "We already know that inflammation accelerates skin, cervical and colon cancer, and most likely also lung and breast cancer," she said. "If we confirm that what we've discovered in the mice studies a...

Mother knows best: Plant knowledge key to childhood health in remote Amazon

...e knowledge were more likely to have children with worse indicators of health and nutrition. For example, in families with mothers with low local plant knowledge, the researchers determined there is a likelihood of nearly one in five children being severely stunted, while families in which mothers possess ...

Salamanders suffer delayed effects of common herbicide

... that the net effect of atrazine exposure was even worse later in life than it was while the animals were being exposed. "The biggest surprise was that it took nearly a year to detect the effects of atrazine at 4 parts per billion, which is just 1 part per billion above the maximum allowable level in dr...

Fake pesticides threaten food safety

... the original. And it is a problem that is getting worse every year, according to the European Crop Protection Association 'Clearly there are risks when products that have not been properly studied or evaluated are being brought onto the market,' said Roger Doig, President of the ECPA. Several recent in...

Anticipation plays a powerful role in human memory, brain study finds

...because the stronger her memory of discomfort, the worse her performance anxiety is likely to get. The UW-Madison scientists found that two key regions of the brain - the amygdala and the hippocampus - become activated when a person is anticipating a difficult situation. Scientists think the amygdala is ...

To slow AIDS in Russia, treat HIV-positive addicts, Stanford study says

...eived the life-extending drugs. The situation is worse among drug users. "Almost no injection drug users in Russia are getting antiretroviral drug therapy," said Owens. Antiretroviral therapies now combine multiple individual drugs to reduce the amount of virus in a person's body. The cumulative effe...

SARS: No evidence that any of the treatments worked

...at lack of reactive oxygen species makes arthritis worse rather than, as had been expected, better in a mouse model with arthritis. Reactive oxygen species are thought to be important in defense against pathogens. The researcher tested phytol, which increased oxidative burst in vivo, and found that it impr...

Poor athletic performance linked to vitamin deficiency

...thletes and other elite competitors -- may perform worse during high-intensity exercise and have a decreased ability to repair and build muscle than counterparts with nutrient-rich diets, according to recent Oregon State University research published in the International Journal of Sport Nutrition and Exer...

Worms produce surprise insight into human fever

...educe fever in infected patients may make matters worse by preventing activation of the HSF-1 pathway. Aspirin and similar anti-inflammatory drugs, which reduce fever but also activate HSF-1 signaling, could offer the best of both worlds, says Aballay. He also points out that new drugs designed to acti...

Quality not quantity important for immune response to HIV

...sociated with a higher viral load ?in other words, worse control of HIV." Professor Goulder believes these findings may have implications for the development of a HIV vaccine. "There seems to be clear evidence that 'Gag is good'," says Professor Goulder. "This means that rather than developing a vac...

Emotional control circuit of brain's fear response discovered

...of a printed color word. Performance is typically worse if word and color are incongruent (e.g., YELLOW printed in red ink) than when the two attributes are congruent (RED printed in red ink). For the 2006 Neuron paper, Dr. Hirsch and her team developed an emotional Stroop test with fearful and happy ...

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(Date:4/17/2014)... have uncovered a new way the immune system may ... efforts to use immune cells to treat illness. , ... the immunological equivalent of "neighborhood police" specialized squads ... organ, instead of an entire city, the body. , ... Louis have shown that the liver, skin and uterus ...
(Date:4/17/2014)... of The Proceedings of the National ... 29, raises a number of startling questions about a ... take for granted. At the end of the last ... shifted from hunting animals and gathering fruits and tubers ... straightforward and yet the more scientists learn, the more ...
(Date:4/16/2014)... artisanal green sea turtle fishery has uncovered a stark ... what may have become an unsustainable take, according to ... of Florida. , During the research period, conservation scientists ... between 1991 and 2011, with catch rates peaking in ...
Breaking Biology News(10 mins):Some immune cells defend only 1 organ 2Genetic study tackles mystery of slow plant domestications 2Genetic study tackles mystery of slow plant domestications 3Genetic study tackles mystery of slow plant domestications 4Declining catch rates in Caribbean green turtle fishery may be result of overfishing 2Declining catch rates in Caribbean green turtle fishery may be result of overfishing 3
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(Date:4/17/2014)... TORONTO, April 17, 2014While 94 per cent of Canadians ... that screen newborns for a specific number of genetic ... willing to participate in screening that would sequence their ... prick test" in their first day or two of ... taken from their heels and tested for about five ...
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(Date:4/16/2014)... , PHOENIX, Ariz. April 15, 2014 The ... Arizona philanthropists at their annual Founders Dinner for their ... cancer. The event took place March 28 in Scottsdale. ... & Catherine Ivy Foundation, received TGen,s John S. McCain ...
Breaking Medicine News(10 mins):Health News:Animal study provides first evidence that gel can prevent multiple virus transmission in vagina/rectum 2Health News:Massage therapy improves circulation, eases muscle soreness 2Health News:Researcher looks at public perceptions around newborn testing 2Health News:Researcher looks at public perceptions around newborn testing 3Health News:Scientists find new way to fight malaria drug resistance 2Health News:TGen honors Catherine Ivy and Craig Jackson with Leadership; Collaborative Spirit awards 2
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