Tag: "worst" at biology news

Researchers call for trials of menstrual cycle monitors used for natural family planning

...n was in a non-fertile part of her cycle while the worst was wrong nearly three-quarters of the time. By contrast, the symptothermal method, which relies on a woman's own observation of two indicators of fertility changes in her basal body temperature and in her cervical mucus patterns, plus some calculat...

New pathway discovered at Stanford provides insight into heart disease

...show the differences between the patients at their worst and when their hearts have had a chance to recover for a bit," said Mary Chen, life science research assistant in cardiovascular medicine and the other lead author of the study. In other words, the things that get worse during heart failure improve w...

Battle of the DNA bulge may help thwart cancer

...ble for finding and repairing bulges. "Some of the worst places to get these errors are in the genes that determine cell growth and death," Pettitt says. "One of the characteristics of cancer cells is that they are essentially immortal, and they're like Peter Pan they never grow up. So this inhibiting of ...

Fire on French Riviera

...land have been destroyed nationwide this year, the worst record for 15 years. The CHRIS sensor aboard Proba acquired this 18-metre resolution image at 12.46 pm local time on 3 September 2003....

Duke ecologist finds devastation, hope in Iraqi marshes

...rsh areas, he found the Central Marsh to be in the worst shape. "It's just a complete dust bowl," he said. Locals had broken a Hussein-built drainage dike in one area in an effort to return some water, but "nothing was growing there yet," except for a few remaining desert plants, he added. In another rece...

Drought

..., according to the presenters, has been one of the worst droughts on record. Droughts and reduced water flow also impact downstream areas, such as estuaries, which commonly serve as nurseries for many species of fish and other organisms. During wet years, high volumes of freshwater affect the salinity lev...

Sleep disorders linked to faulty brain chemistry, study finds

...ng neurons in the striatum of their brains had the worst RBD symptoms of thrashing, talking and violent flailing while they slept. And patients with the lowest levels of acetylcholine-producing neurons in the brainstem had the most interruptions in their breathing during sleep. And while the researchers ar...

Scientists take a step nearer to creating an artificial egg using a somatic cell

...s a fundamental difficulty." But, even in a worst case scenario, he said, it does not mean that they were back to the drawing board because his team was already developing new techniques to overcome the problem. "I'm really confident not simply optimistic that haploidisation will work and if every...

Anthropologist predicts major threat to species within 50 years

...well. His study pointed to the Congo as having the worst future an estimated addition of 26 threatened species by the year 2050, an increase of 39.8 percent. At least 100 of the 114 nations covered in the study showed a possible increase in the number of threatened species. Another 10 nations should have ...

Study suggests genetically modifying sunflowers for white mold resistance

...dier and more aggressive. White mold is one of the worst diseases afflicting commercial sunflowers. Sunflower is one of the world's four most important oilseed crops, with a value of $40 billion per year. White mold infection, which causes the rapid wilting and death of cultivated sunflower plants, is the ...

Hopkins scientists uncover role of Fanconi's Anemia genes in pancreatic cancer

... causing disease, we now suspect causes one of the worst forms of cancer," says Kern. Pancreatic cancer has one of the lowest survival rates among all cancers. Each year, approximately 30,300 Americans are diagnosed with the disease, and nearly 30,000 die. Often unresponsive to conventional therapies, p...

Cincinnati engineering study finds clue to Bangladesh's poisoned water

...s one of the culprits in what has been called "the worst case of natural contamination in human history," a...vels reach to 500-1000 parts per billion, with the worst at 2,400 parts per billion. It takes several thousand parts per billion to cause immediate death. Th...

VEGF gene transfer fails to help peripheral arterial disease patients

.... The injections were targeted to the leg with the worst symptoms. RAVE was designed to use the adenoviral vector to express the VEGF gene at the disease site, increasing the ability to spur growth of new blood vessels where needed. The study showed the approach caused no side effects. But patients who r...

Univ. of Pittsburgh receives $6.3M NIH grant to study oral health disparities in Appalachia

...s difficult. "The population of Appalachia has the worst oral health in the United States, but we don't know what the specific causes of these disparities are," said Mary L. Marazita, Ph.D. associate dean for research and head of the division of oral biology at Pitt's School of Dental Medicine and professo...

'Sleep debts' accrue when nightly sleep totals six hours or fewer

...tly sleepy" even when their performance was at its worst during standard psychological testing. The results provide scientific insight into the daily challenges that confront military personnel, residents and on-call doctors and surgeons, shift workers, parents of young children, and others who routinely g...

Scientists urge managers to limit use of destructive fishing gears

.... Experts agree that bottom trawls are one of the worst offenders, entrapping vast numbers of non-targeted animals. "The first time I was on a trawler, I was appalled to see that for every pound of shrimp caught there were 20 pounds of sharks, rays, crabs, and starfish killed. The shrimpers called this by...

Neglect during infancy can affect children for years, scientists report

...ny internationally adopted children] move from the worst to the best environments," said Megan Gunnar of the University of Minnesota. "The lives of kids in the U.S. foster care system continue to have disruptions, so what we're learning speaks a great deal to our understanding of maltreatment and neglect."...

A global 'catastrophe' -- coal fires threaten environment, human health

... went up in smoke in Indonesia makes it one of the worst polluters in the world," Whitehouse said....

Center for Health Law and Policy presents program on bioterrorism measures and civil liberties

...d in the sand," and Steinhardt observing that "the worst laws are made in time of emergency." This theory-practice seminar will be moderated by Mark Barnes, a partner with Ropes & Grey who has also taught health law courses at the Law School as an adjunct professor, and a former assistant to the NYC Commi...

UCLA offers CASE Media fellowships on genetics, society and the individual

... Choosing Our Children's Genes -- Our best hope or worst fear? Answering these questions will require the collaboration of a diverse group of scholars able to translate this knowledge into new disciplines. The new UCLA center will bring together research and education for academia, media and the American p...

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(Date:4/14/2014)... orphaned by HIV/AIDS in South Africa may provide insight ... behavior issues in other areas of the world, which ... that could lead to successful interventions. , A ... United Nations mentions that due to the HIV/AIDS pandemic, ... African, children are at an increased risk for mental ...
(Date:4/14/2014)... A new study shows that moderate to severe ... risk of stroke, cancer and death. , Results of ... to severe obstructive sleep apnea were four times more ... times more likely to have a stroke (HR = ... (HR = 3.4), and 2.5 times more likely to ...
(Date:4/14/2014)... Dallas study involving serious youth offenders, the answer to one ... seven years: "How long do you think you,ll live?", According ... offending over time., Author Dr. Alex Piquero said the study ... of them offend at very high rates and commit more ... much later in life offend much less., "In a lot ...
(Date:4/14/2014)... with symptoms increasing dramatically during some of the most important ... has found. , Depressive symptoms increased on average by 68 ... young men, who were around 25 years old when they ... their children. The results of the study were published April ... is the first to identify when young fathers are at ...
(Date:4/14/2014)... Lower weight babies and babies who aren,t breastfed ... risk of developing chronic inflammation and related health ... study. , "There were good reasons to hypothesize ... inflammation in adulthood," says Thomas McDade (Northwestern University), ... in the Child & Brain Development program. "It ...
Breaking Medicine News(10 mins):Health News:Researchers identify children with emotional behavior difficulties 2Health News:Researchers identify children with emotional behavior difficulties 3Health News:Study links severe sleep apnea to increased risk of stroke, cancer and death 2Health News:UT Dallas study: Youth who fail to envision future commit more crimes 2Health News:Young dads at high risk of depression, too 2Health News:Low birth weight, less breastfeeding create later health risks 2
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