الثلاثاء، 13 سبتمبر 2016

ScienceDaily: Top News

ScienceDaily: Top News

Postpartum psychosis big risk for mothers with bipolar disorder

Posted: 09 Sep 2016 07:35 PM PDT

Pregnant women with bipolar disorder and their families and physicians should be aware of a significantly higher risk for developing postpartum psychosis, according to a new review of literature on the disorder.

What's nature worth? Count the selfies

Posted: 09 Sep 2016 07:34 PM PDT

A research team used social media images to measure the value of outdoor recreation on public lands. The study analyzed more than 7,000 geotagged photos to calculate that conserved lands contributed $1.8 billion to Vermont's tourism industry between 2007-2014.

Researchers identify new therapeutic target for cancer

Posted: 09 Sep 2016 11:12 AM PDT

A protein that may be an unexplored target to develop new cancer therapies has been identified by researchers. The protein, known as kinase suppressor of Ras, or KSR, is a pseudoenzyme that plays a critical role in the transmission of signals in the cell determining whether cells grow, divide, or die.

Case for liquid biopsies builds in advanced lung cancer

Posted: 09 Sep 2016 08:25 AM PDT

For patients with advanced lung cancer, a non-invasive liquid biopsy may be a more effective and suitable alternative to the gold standard tissue biopsy to detect clinically relevant mutations and help guide their course of treatment, say investigators.

Study reveals potential improvements for effectiveness of meningococcal vaccines

Posted: 09 Sep 2016 08:17 AM PDT

Scientists show greatly improved protective antibody responses to a new mutant vaccine antigen for prevention of disease caused by Neisseria meningitidis -- also known as meningococcus -- that has the potential to improve the current vaccines for meningitis.

Are fitness trackers fit for security?

Posted: 09 Sep 2016 06:51 AM PDT

The popularity of fitness trackers is constantly growing. Worldwide, nearly 20 million of these devices have been sold in the first quarter of 2016. Many of them track via GPS the kilometers the user run, measure heart rate and pulse or check if the user is asleep. Now researchers reveal some serious security flaws in these devices.

Ecological intensification of agriculture

Posted: 09 Sep 2016 06:50 AM PDT

Putting a halt to the profound changes affecting agricultural landscapes: With this goal in mind, scientists, farmers and official representatives teamed up to look into ecological intensification as a potential solution.

Voracious asian jumping worms strip forest floor and flood soil with nutrients

Posted: 08 Sep 2016 02:13 PM PDT

Asian jumping worms, an invasive species first found in Wisconsin in 2013, may do their work too well, speeding up the exit of nutrients from the soil before plants can process them, new research shows.

Employees of medical centers report high stress, negative health behaviors

Posted: 08 Sep 2016 01:50 PM PDT

Approximately 15 to 20 percent of adults in the U.S. will report high levels of stress, several American surveys have found. A new study has identified stress and burnout as a major problem employees face within the medical industry, leading to negative health behaviors. With rising stress levels in the workplace for employees, many companies are looking to integrate, engage and enroll employees into wellness programs.

New electrical stimulation therapy may improve hand function after stroke

Posted: 08 Sep 2016 01:49 PM PDT

A new technique uses a glove on the unaffected hand to send electrical stimulation to nerves in the stroke-affected hand. Researchers report that the best improvement was noted in patients who had moderate hand impairment from their stroke less than two years earlier. The study also demonstrated that stroke survivors can effectively use technology for self-administered therapy at home.

Mouse model points to potential drug target for increasing social interaction in autism

Posted: 08 Sep 2016 12:12 PM PDT

A study of a new mouse model identifies a drug target that has the potential to increase social interaction in individuals with some forms of autism spectrum disorder.

Experts urge a defensive stance in efforts against antimicrobial resistance

Posted: 08 Sep 2016 12:12 PM PDT

The United Nations should reframe global efforts against antimicrobial resistance by adopting a defensive stance, say experts who have suggested that focus should be in building the resilience of society and maintaining diversity in the 'global microbiome'-- only a fraction of which causes human or animal disease.

New epilepsy drugs work by jamming brain receptor

Posted: 08 Sep 2016 10:12 AM PDT

Researchers have discovered how a new epilepsy drug works, which may lead the way to even more effective and safer medications. Currently, the most commonly used anti-epilepsy drugs are ineffective for about 30 percent of people with seizure disorders.

Tamoxifen resistance linked to high estrogen levels in utero

Posted: 08 Sep 2016 10:12 AM PDT

Resistance to tamoxifen therapy in some estrogen receptor positive breast cancers may originate from in utero exposure to endocrine disrupting chemicals, research in animal studies suggests. This study provides a new path forward in human research as about half of the breast cancers treated with this common cancer therapy do not respond well, say researchers.
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