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Tag: "status" at biology news

Genes and genius: Researchers confirm association between gene and intelligence

...vironmental influences ranging from socio-economic status to the value that's placed on learning when children are growing up." ...

Vitamin D deficiency widespread during pregnancy

...(MWRI). "Not surprisingly, poor maternal vitamin D status during pregnancy is a major risk factor for infant... pregnancy," Dr. Bodnar said. "Improving vitamin D status has tremendous capacity to benefit public health." ...

UCSF study will test new vaginal microbicide for herpes and HIV

... Development of the gel has been given fast-track status by the FDA. Fast track status is granted when a drug has the potential to treat a serious or life-threatening condition and demons...

Living view in animals shows how cells decide to make proteins

...g a cell out of its context shows only its current status and not how it arrived at that place." For instance, the splicing process can change even from day to day as an animal develops, he said, adding that extracting cells and watching them in a culture cannot convey all of these transient changes. ...

Triple threat: World fin trade may harvest up to 73 million sharks per year

...d by Clarke and her team depends upon the size and status of each population. "One of the most productive sharks is the blue shark, and it appears that the catch rate is near the maximum sustainable level," says Clarke. "But such assessments were not available for other, less productive shark species. ...

Power emerges from consensus in monkey social networks

...d Krakauer study how power structures arise from a status communication network in a monkey society. Power structure is important because it can influence the complexity of interactions among group members. "When building a society, it is of utemost importance that signals be informative and any sources of...

Older fathers more likely to have autistic children

...rchers controlled for year of birth, socioeconomic status and the mother's age, such that the odds of autism spectrum disorder were nearly six times greater among children of men age 40 and older than those of men 29 years and younger. Older age among mothers was not associated with autism after researcher...

Ongoing collapse of coral reef shark populations

...ng. In their study, the researchers determined the status of two species of reef shark—the whitetip and grey reef sharks—by employing a unique combination of fisheries-independent abundance estimates and measurements of the survival and reproduction of individual sharks. Their findings show that reef shark ...

Gene therapy inhibits epilepsy in animals

...cted the rats with pilocarpine, a drug that causes status epilepticus (SE), a convulsive seizure, shortly after injection. They then evaluated the rats for later development of spontaneous seizures or epilepsy, which usually occurs after an initial SE injury. Rats that had received the gene therapy had el...

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

... addicts, treating both groups or maintaining the status quo. Owens called the approach a "thought experiment," designed to predict how treating different groups in the population would affect the overall epidemic. "Exclusively treating non-drug users is not a wise approach. It's the least efficient a...

Stroke symptoms common among general population

... with lower incomes, less education, poorer health status and higher stroke risk scores were more likely to have had stroke symptoms. "The last finding suggests that at least some of these symptoms may represent stroke events that did not reach the threshold required for clinical diagnosis," the authors wr...

Ocean seep mollusks may share evolutionary history with other deep-sea creatures

...story to their unique home environment or to their status as deep-sea creatures, he noted. Cold seeps are places where fluids rich in hydrogen sulfide and methane leak up through the ocean floor, creating a unique chemical environment where hardy bacteria process the sulfide and methane. Seep fluids are ab...

Some butterflies travel farther, reproduce faster

...es between these more robust butterflies and their status quo sisters and brothers. They found that individuals that established new populations mate sooner, lay more eggs and have a different form of an enzyme important to flying, phosphoglucose isomerase. They also found they have a higher metabolic rate....

Did 'ABCs' cause Uganda's fall in HIV rates?

... In Uganda, they say, policies to advance women's status were part of the ABC strategy. "In the context of Uganda's political leadership, nationwide social mobilization and gender empowerment policies, both women and men benefited and HIV prevalence declined." Countering Murphy and Greene's viewpoint, Al...

Antioxidant protects against lung damage in silicosis

...be exhaled after a maximum inhalation, showing the status of lung tissue.) The authors believe that if serum HO-1 derives primarily from lung lesions, it could also represent a novel biomarker for evaluating the severity of silicosis. In their mouse studies, hemin, a potent inducer of HO-1, suppressed...

A natural chemical found in strawberries boosts memory in healthy mice

...he bad news is that because of its natural product status there may be little financial interest in getting it into human clinical trials for diseases associated with memory loss such as Alzheimer's, where the treatment options are currently very limited," says Maher. Besides strawberries, fisetin is fou...

Bitter taste identifies poisons in foods

...ver 1 billion people who presently have low iodine status and are at risk for thyroid insufficiency. In the study, 35 healthy adults were genotyped for the hTAS2R38 bitter taste receptor gene; the three genotypes were PAV/PAV (sensitive to the bitter-tasting chemical PTC,) AVI/AVI (insensitive), and PAV/...

Technology for monitoring fetal oxygen during labor offers no apparent benefit

...f the new technology hoped that knowing the oxygen status of the baby during labor would provide information on the health of the baby, especially when there were disturbances in the fetal heart rate during labor. "The results of this study show that while a new technology may appear to be very promising...

Renewed dolphin slaughter prompts new campaign

...e hunts also raise concerns about the conservation status of several species of cetacean taken in the hunts, which indiscriminately target all species of cetacean. Besides bottlenose dolphins, which make up the bulk of the annual take, the hunts also include striped dolphins, spotted dolphins, Risso's dolph...

A human taste for rarity spells disaster for endangered species

...imals to killing the rarest. The pursuit of social status and health can also trigger the anthropogenic Allee effect, as many rare species are coveted as luxury items--whether for handbags, exotic cuisine, or dining room furniture--or traditional medicines. The exotic pet trade continues to threaten orangut...

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