Tag: "rate" at biology news
Panel discusses effect of individualized diets on chronic disease risk
...ations," said German. "Consumers at an increasing rate
are purchasing products that they believe will best meet their individual nutritional needs and technology will lead the way in determining what those needs are." Although there are some basic nutritional guidelines that people should follow, one pop...
Growth disorder gene plays a big role in normal size variation
...omosome associated with a 20% difference in growth rate
of mice, and found it contains only four genes: glypican-3 and glypican-4 (Gpc3 and Gpc4), and two other genes of unknown function. The glypicans are membrane-bound growth regulators; loss of function of Gpc3 in humans causes a rare syndrome of overg...
Satellite images give a better picture of sediment transport
...ity using optical remote sensing, with uncertainty rate
less than 20%. The satellite images therefore prov...ved to be reliable, with a low average uncertainty rate
of 17.5 %. However, satellite images are accessible only in clear weather without strong wind (i.e. ...
New technology, new approach to help heart and lung patients awaiting transplants
...d a VAD had more than double the one-year survival rate
compared with patients who did not receive a device. However, Kormos challenges that VADs should be incorporated earlier in treatment. "We in the medical community spend a lot of time helping patients live with heart failure until their bodies can't...
Joslin Diabetes Center announces new nutrition guidelines
...e overweight or obese, resulting in a skyrocketing rate
of type 2 diabetes that now affects at least 18.2 million Americans, including an increasing number of young people. An estimated 41 million Americans have pre-diabetes and are at risk of developing full-blown type 2 diabetes unless they lose weight ...
Research shows smoking adds a decade to reproductive age of IVF patients
...one stimulation. The team investigated the success rate
of the first cycle of treatment in 8,457 women, an...r unexplained subfertility. The overall live birth rate
per cycle was 15.2%. It was highest at 17.8% in couples with unexplained subfertility. Women with...
JCI table of contents May 1, 2005
New kidney protein regulates heart rate
and blood pressure The kidney is important for re...d by the kidney into the blood and regulates heart rate
and blood pressure. Interestingly, renalase levels are markedly reduced in patients with end-stage ...
New kidney protein regulates heart rate and blood pressure
...d by the kidney into the blood and regulates heart rate
and blood pressure. Interestingly, renalase levels are markedly reduced in patients with end-stage kidney disease as compared to healthy subjects. Therefore, there may be a causal link between reduced renalase and the increased cardiovascular risk ...
Primates on the brink
...the low thousands but are disappearing at a faster rate
than other primates. The December tsunamis that devastated coastal Sumatra have triggered a possible new threat to orangutan habitat from resettlement of area residents. Changes to the list from 2002 reflect a desire to draw attention to other en...
U. of Colorado study shows early Earth atmosphere hydrogen-rich, favorable to life
... previously believed, said Tian. The lower escape rate
is based in part on the new estimates for past tem...levels from the sun in Earth's infancy, the escape rate
of hydrogen would have remained low, Tian said. The escaping hydrogen would have been balanced by h...
New findings in taste and smell research
...n odor known to modulate the newborn's respiratory rate
reduces the incidence of apneic spells. Fourteen p...bjects. Apneas associated with bradycardias (heart rate
under 50% of baseline rate) decreased strongly (45%) during odorization and this decrease affected a...
Currents could disrupt ocean food chain
...s and decrease salinity in the North Atlantic at a rate
significant enough to prevent the sinking and ultimate mixing of the water. That would not only disrupt the Atlantic Conveyer current, Schmittner said, it would prevent nutrient-rich waters from triggering phytoplankton growth. "When the Atlantic Co...
Unchecked DNA replication drives earliest steps toward cancer
... this study is that they do have a higher mutation rate
than normal through this mechanism." Fortunately, cells have an effective on-board damage control system, managed by the p53 gene. A protein called 53BP1, the critical role of which was reported by the same Wistar group in Nature last year, senses t...
Low oxygen likely made 'Great Dying' worse, greatly delayed recovery
...tion fragmentation likely increased the extinction rate
and slowed recovery following the mass extinction, Huey said. "Biologists have previously thought about the physiological consequences of low oxygen levels during the late Permian period, but not about these biogeographical ones," he said. Atmosphe...
Fatter pigs due to cooling
...e rises further, the pigs increase their breathing rate
and eat less. Finally their body temperature rises... this their feed intake and therefore their growth rate
increases. Pigs are highly sensitive to the ambient temperature. They cannot actively sweat and the...
Why is Scotland's population shrinking and ageing? - A new research initiative
...ures for 2004 show 53,957), the Scottish fertility rate
is still at a historically low level. It is still too early to tell whether this recent increase will be sustained in the long-term. Fertility is lower in Scotland than in England, Wales and Northern Ireland. Fertility is also lower than in any of...
Putting ecology back into river restoration
...er of the University of Maryland: "Given the rapid rate
of global degradation of fresh waters, and the fact that river and stream restoration has become a booming enterprise, it is time to agree on what constitutes successful river and stream restoration." Palmer and her colleagues say that the success of...
Surgery season and vitamin D intake may predict successful lung cancer surgery
..., respectively, and the five-year overall survival rate
was 72 percent compared to 30 percent, respectively. Zhou points out that the study was conducted on patients who had surgery in Boston, and so the calculation of surgery season may differ in other locations....
Study reveals dramatic difference between breast cancers in US and Africa
...men in this study was 44. Studies suggest that the rate
and genetic profiles of breast cancers in African American women are likely to fall somewhere in between, with a slightly lower lifetime incidence of breast cancer than Caucasians but earlier onset and worse prognosis. African American women under th...
Undesirable expatriates: Preventing the spread of invasive animals
... The bottom line-- vertebrate animals have a high rate
of invasion success. Once established, they can act as biological pollutants that result in ecological and economic damages. "The best way to combat invasive species is to prevent them from being introduced. As global trade increases, precautions lik...
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