الخميس، 12 نوفمبر 2015

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

Researchers open 'Golden Window' in deep brain imaging

Posted: 11 Nov 2015 02:21 PM PST

The neuroscience community is saluting the creation of a 'Golden Window' for deep brain imaging. This is a first for brain imaging, explain the authors of a new report on the topic.

Angina is linked with abnormal heart blood flow in patients with female-pattern heart disease

Posted: 11 Nov 2015 01:58 PM PST

Chest pain in female-pattern heart disease is linked with abnormal heart blood flow, demonstrated with a drug commonly used to alleviate chest pain patients with coronary artery disease, which was found to be ineffective in patients with moderate female-pattern heart disease, but may offer some relief for sicker patients, a new study shows. The study's results were presented today as a late-breaking trial at the American Heart Association Scientific Sessions in Orlando.

Adults with OCD can benefit from exposure therapy when common drug treatment options fail, study finds

Posted: 11 Nov 2015 01:58 PM PST

Patients with Obsessive-Compulsive Disorder (OCD) can improve their symptoms significantly by adding exposure and response prevention therapy to their treatment regimen when common drug treatment options have failed, according to new research from psychiatrists.

Scientists identify genetic factors that influence body weight and neurological disorders

Posted: 11 Nov 2015 01:54 PM PST

Genetic factors that influence motor performance and body weight in a genetically diverse group of mice have been identified in a new study. The researchers also found the genes identified in the mice overlap significantly with genes related to neurological disorders and obesity in people.

Global health team pioneers development of a new antimalarial drug screening model

Posted: 11 Nov 2015 01:53 PM PST

A new screening model to classify antimalarial drugs and to identify drug targets for the most lethal strain of malaria, Plasmodium falciparum, has been developed and presented by a group of scientists.

Dendrimer technology gets a grip on cell proteins, could improve cancer treatment

Posted: 11 Nov 2015 11:32 AM PST

Researchers have devised a way to capture the finer details of complex cell processes by using tiny synthetic particles known as dendrimers, a technology that could lead to more targeted treatment for cancer.

Scientists unravel brain circuits involved in cravings

Posted: 11 Nov 2015 11:32 AM PST

Researchers studying rats have discovered that activation of designer neural receptors can suppress cravings in a brain region involved in triggering those cravings. The study is the first to systematically show how designer brain receptors and designer drugs work together to change how cues for food stimulate motivation.

Social media offers neuroscientists a treasure trove of research material

Posted: 11 Nov 2015 11:31 AM PST

Because social media is used so pervasively in modern society to tap into people's behaviors and thoughts, neuroscientists are finding Facebook, Twitter, and other platforms to be very useful tools in a broad range of research areas. A review describes some of the approaches that neuroscientists can use to gain valuable insights from social media and highlights some of the questions that might be answered by social media-based studies.

Affordable Care Act architect: What is role of radiology in transformed health care system?

Posted: 11 Nov 2015 08:53 AM PST

A former White House adviser who helped devise the Affordable Care Act (ACA), will provide advice for radiologists on how to adapt to the new health care environment, including responding to downward price pressure and focusing on patients with chronic conditions.

Doctors, relatives often see patients' wishes differently

Posted: 11 Nov 2015 08:50 AM PST

If a patient is no longer able to communicate personally how he or she would like to be treated, doctors and relatives consult an advance directive, if one is available. However, doctors and relatives often interpret patients' written wishes in different ways, as researchers explain in a new report.

Researchers detail how to control shape, structure of DNA, RNA

Posted: 11 Nov 2015 08:50 AM PST

Materials science researchers have used computational modelling to shed light on precisely how charged gold nanoparticles influence the structure of DNA and RNA -- which may lead to new techniques for manipulating these genetic materials.

Protein-RNA structure hints at how viruses commandeer human proteins

Posted: 11 Nov 2015 08:50 AM PST

Researchers have produced the first image of an important human protein as it binds with ribonucleic acid (RNA), a discovery that could offer clues to how some viruses, including HIV, control expression of their genetic material. That information could lead to new strategies to block viruses from replicating, thereby limiting or halting infection.

Sexually transmitted infection affecting up to one percent of the population aged 16-44 in the UK

Posted: 11 Nov 2015 08:50 AM PST

A new study strengthens growing evidence that Mycoplasma genitalium (MG) is a sexually transmitted infection (STI). Prevalence was much higher in those who had reported more than four sexual partners in the past year -- 5.2% in men and 3.1% in women. Absence of the infection in over 200 16-17 year olds who had not had vaginal, anal, or oral sex provided further evidence that MG is transmitted sexually.

Contact, connect and fuse: An ultra-structural view of the muscle formation process

Posted: 11 Nov 2015 08:48 AM PST

New work describes the steps and processes governing myoblast fusion with muscle fibres during the formation of flight muscles in Drosophila. The developmental program of these flight muscles and their muscle fibre organization resemble key aspects of vertebrate skeletal myogenesis. Therefore, this study is likely to contribute to our knowledge of myogenesis in vertebrate skeletal muscles.

Improving safety, decreasing risks of new blood thinners

Posted: 11 Nov 2015 08:48 AM PST

By reversing the effects of the blood thinners apixaban and rivaroxaban within minutes, this new antidote may help to save the lives of patients taking blood thinners that experience major bleeding complications.

Hospital readmission common after emergency general surgery

Posted: 11 Nov 2015 08:48 AM PST

A study of patients who underwent an emergency general surgery procedure found that hospital readmission was common and varied widely depending on patient factors and diagnosis, according to a study.

Previous oral contraceptive use associated with better outcomes in patients with ovarian cancer, study finds

Posted: 11 Nov 2015 06:26 AM PST

Patients who develop ovarian cancer appear to have better outcomes if they have a history of oral contraceptive use, according to a study.

New online tool created to tackle complications of pregnancy, childbirth

Posted: 11 Nov 2015 06:26 AM PST

An interdisciplinary team of biologists and medical researchers has created a new platform, which they call GEneSTATION specifically designed to leverage the growing knowledge of human genomics and evolution to advance scientific understanding of human pregnancy and translate it into new treatments for the problems that occur when this complex process goes awry.

Grow kids' brains through sport

Posted: 11 Nov 2015 06:25 AM PST

Organized extracurricular sport activities for children help them develop and improve cognitive skills, such as greater concentration capacity, that can in term greatly help them in the classroom, suggests a researcher.

So long, stethoscope? New device, smartphone alter exams

Posted: 11 Nov 2015 06:24 AM PST

A smartphone-based device known as HeartBuds performed just as well as traditional stethoscopes and better than a disposable model in identifying heart murmurs and other vital sounds during patient exams.

Molecular immunity from microbes

Posted: 11 Nov 2015 05:56 AM PST

A new molecular biology tool derived from a bacterial defense system has been used for the first time to demonstrate a novel way to protect plants against viral pathogens.

The secret to safe DNA repair

Posted: 11 Nov 2015 02:56 AM PST

New research is shedding important light on the DNA repair process and a protein newly discovered to have an essential role in preventing errors and mutations from occurring.

World first blood cancer drug trial reveals life-changing results

Posted: 11 Nov 2015 02:56 AM PST

A breakthrough has been achieved with the results of the world-first clinical trial with actual patients of a new drug to treat particular blood cancers. This clinical trial, a first-in-human study, looked at the efficacy of a new inhibitor, ONO/GS-4059, in the treatment of Chronic Lymphocytic Leukemia and Non-Hodgkin Lymphoma patients refractory or resistant to current chemotherapies.

Preventing radiation in cancer therapies to damage healthy organs

Posted: 11 Nov 2015 02:55 AM PST

When a person receives a cancer treatment through radiation, he or she is exposed to ionizing radiation and to avoid that energy to damage healthy tissue. A new study looked at the properties of various materials called dosimeters that measure radiation doses.

Intellectual disabilities share disease mechanisms, study suggests

Posted: 11 Nov 2015 02:53 AM PST

Brain disorders that cause intellectual disabilities and autism spectrum disorders may share common defects despite having different genetic causes, a new study has found. The findings suggest that different types of intellectual disabilities may benefit from common therapeutic approaches, the researchers say.

Computer model reveals deadly route of Ebola outbreak

Posted: 11 Nov 2015 02:53 AM PST

A research team has mapped the spread of the 2014-2015 Ebola outbreak in Sierra Leone, providing the most detailed picture to date on the disease spread and identifying two critical opportunities to control the epidemic. The novel statistical method gives health authorities a new tool to plan interventions to contain future outbreaks in real time, and not just of Ebola.

First-in-class investigational therapeutic shows early promise for lymphoma patients

Posted: 11 Nov 2015 02:53 AM PST

Results from a phase I clinical trial showed that the first-in-class, investigational, anticancer therapeutic pevonedistat was safe, tolerable, and had some anticancer activity in heavily pretreated patients with relapsed/refractory lymphoma.

Medical marijuana should be held to same standard as other drugs, pharmacist says

Posted: 10 Nov 2015 02:16 PM PST

Medical marijuana needs to be studied like any other drug. No one is opposed to the active ingredients in it, but we need to have some data. That is what we would expect from any other drug, an expert says.

Emotionally supportive relationships linked to lower testosterone

Posted: 10 Nov 2015 02:14 PM PST

Science and folklore alike have long suggested that high levels of testosterone can facilitate the sorts of attitudes and behavior that make for, well, a less than ideal male parent. A new study focuses on a large, representative sample of aging U.S. men and the ways their testosterone varies when they have emotionally supportive relationships.

Wrist fractures could predict susceptibility to serious fractures in postmenopausal women

Posted: 10 Nov 2015 02:13 PM PST

Postmenopausal women younger than age 65 who experienced a wrist fracture could be at increased risk for bone fractures in other parts of their bodies later in life, new research concludes.

Changing habits to improve health: New study indicates behavior changes work

Posted: 10 Nov 2015 02:09 PM PST

Improving your heart health may be as simple as making small behavioral changes. A new study of behavioral health interventions suggests that they are effective at helping people alter their lifestyles and lead to physical changes that could improve overall health.

Taste perception is influenced by extreme noise conditions

Posted: 10 Nov 2015 11:48 AM PST

Scientists examined the influence of the extreme noise conditions encountered during flight on the five basic tastes. They found that noise condition had no influence on intensity ratings for salty, bitter, and sour tastes. However, taste intensity was suppressed for sweet solutions at all concentration levels, and enhanced for umami solutions at higher concentrations, in the air cabin noise condition.

Clinical score for predicting risk of venous thromboembolism

Posted: 10 Nov 2015 11:48 AM PST

A new clinical prediction model can help identify high risk of venous thromboembolism among patients with a leg cast, according to a study that utilized data from three large cohorts to develop and validate two prediction models and a risk score to help doctors deciding whether to prescribe anticoagulants for thromboprophylaxis.

Coronavirus breakthrough: Protein mutation affects spread and virulence of respiratory virus

Posted: 10 Nov 2015 09:04 AM PST

Researchers have discovered that a mutation in a coronavirus protein slows the spread of the virus in the central nervous system and reduces its neurovirulence. It is the first time that this phenomenon has been observed in the coronavirus family, which is responsible for one-third of common colds and is also suspected of being associated with the development or aggravation of neurological diseases such as multiple sclerosis, Alzheimer's disease, and encephalitis.

The gut microbiota can influence the effectiveness of dietary treatments

Posted: 10 Nov 2015 09:02 AM PST

Why a dietary treatment works for some but not others seems to depend on interactions between the gut microbiota and the diet. A new study shows that people with better control of blood sugar after eating barley kernel bread also have a different balance of microbes in the gut.
مرسلة بواسطة في

ليست هناك تعليقات:

إرسال تعليق

الاشتراك في: تعليقات الرسالة (Atom)