ScienceDaily: Health & Medicine News

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• Postpartum psychosis big risk for mothers with bipolar disorder
• Researchers identify new therapeutic target for cancer
• Case for liquid biopsies builds in advanced lung cancer
• Study reveals potential improvements for effectiveness of meningococcal vaccines
• Are fitness trackers fit for security?
• Employees of medical centers report high stress, negative health behaviors
• New electrical stimulation therapy may improve hand function after stroke
• Mouse model points to potential drug target for increasing social interaction in autism
• Experts urge a defensive stance in efforts against antimicrobial resistance
• New epilepsy drugs work by jamming brain receptor
• Tamoxifen resistance linked to high estrogen levels in utero
• Can some types of fat protect us from brain disease?
• Esketamine produces rapid effects in treatment-resistant depression
• The pleasures and perils of protein: Fruit fly study reveals new clues to appetite and aging

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.

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.

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.

Can some types of fat protect us from brain disease? Posted: 08 Sep 2016 10:08 AM PDT Having a little bit of extra fat may help reduce the risk of developing diseases caused by toxic protein aggregation, such as Huntington's, Parkinson's and Alzheimer's. Scientists have discovered a new communication process between organelles inside the cell, including mitochondria, and shown how fat metabolism plays a central role in linking mitochondrial health to cytosolic protein homeostasis. Another study uncovers a new signaling pathway that may explain the peripheral wasting seen in Huntington's.

Esketamine produces rapid effects in treatment-resistant depression Posted: 08 Sep 2016 09:06 AM PDT Esketamine, a component of the general anesthetic ketamine, shows rapid and significant improvement in depressive symptoms in patients who do not respond to currently available therapies, new research shows. The study aimed to demonstrate the efficacy and safety of esketamine in hopes to fulfill a long-awaited clinical need for therapies that can crack treatment-resistant depression.

The pleasures and perils of protein: Fruit fly study reveals new clues to appetite and aging Posted: 08 Sep 2016 09:02 AM PDT Why do we -- and the fruit flies that sometimes inhabit our kitchens -- seek out protein-full foods when we're running on empty? And what does that preference mean for the odds of living a longer life, whether it's measured in decades for a human, or days for a fly? New research suggests that a brain chemical may have a lot to do with both questions.

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