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Tuesday, July 15, 2014

ScienceDaily: Top Health News

ScienceDaily: Top Health News


SIDS risks vary by infant age: Bed sharing remains greatest risk factor for sleep related infant deaths

Posted: 14 Jul 2014 06:39 PM PDT

Sudden infant death syndrome and other sleep-related causes of infant mortality have several known risk factors, but little is known if these factors change for different age groups.

Business should embrace 'boomerang employees'

Posted: 14 Jul 2014 06:37 PM PDT

The phenomenon of 'boomerang employees' is not unique to professional athletes, says two recent studies. Organizations of all types are beginning to recognize and embrace the value of recruiting and welcoming back former employees. From infantry soldiers to chief executives, accountants and professional basketball players, many organizations proactively recruit and rehire former employees as a way to offset high turnover costs and hedge against the uncertain process of socializing replacement employees.

New combination drug controls tumor growth, metastasis in mice

Posted: 14 Jul 2014 06:36 PM PDT

A combination drug has been developed that controls both tumor growth and metastasis, a mouse study has shown. By combining a COX-2 inhibitor, similar to Celebrex, and an epoxide hydrolase inhibitor, the drug controls angiogenesis, limiting a tumor's ability to grow and spread.

Fungicides for crops: Worrying link to fungal drug resistance in UK, warns scientists

Posted: 14 Jul 2014 06:34 PM PDT

Aspergillus -- a common fungus that attacks the lungs and is found in soil and other organic matter -- has become resistant to life-saving drugs in parts of rural Yorkshire, researchers report. Although the link has been made before in the Netherlands, it's the first time its been made in the UK between drug resistance in Aspergillus and fungicides used on crops. Experts warn their findings, now published, are significant and raise serious implications for transplant patients, those with leukemia and people who suffer from severe asthma.

Study: Young women with sexy social media photos seen as less competent

Posted: 14 Jul 2014 03:24 PM PDT

Girls and young women who post sexy or revealing photos on social media sites are viewed by their female peers as less attractive and less competent to perform tasks, a new study indicates. One researcher's advice for girls and young women is to select social media photos that showcase their identity rather than her appearance, such as one from a trip or one that highlights participation in a sport or hobby.

Capturing cancer: A powerful new technique for early diagnosis

Posted: 14 Jul 2014 03:24 PM PDT

An innovative technique for early disease detection, which researchers call immunosignaturing, has been described in a new article. Rather than using a reductionist biomarker paradigm, immunosignaturing relies on a multiplexed system in which the entire population of antibodies circulating in blood at a given time is profiled.

Older adults nearly twice as likely to have memories affected by distractions

Posted: 14 Jul 2014 03:24 PM PDT

Older people are nearly twice as likely as their younger counterparts to have their memory and cognitive processes impaired by environmental distractions.

Genome-wide analysis reveals genetic similarities among friends: Study finds truth to 'friends are the family you choose'

Posted: 14 Jul 2014 12:23 PM PDT

If you consider your friends family, you may be on to something. A new study finds that friends who are not biologically related still resemble each other genetically.

Months before their first words, babies' brains rehearse speech mechanics

Posted: 14 Jul 2014 12:23 PM PDT

New research in 7- and 11-month-old infants shows that speech sounds stimulate areas of the brain that coordinate and plan motor movements for speech. The study suggests that baby brains start laying down the groundwork of how to form words long before they actually begin to speak.

Antibiotic use prevalent in hospice patients despite limited evidence of its value

Posted: 14 Jul 2014 10:40 AM PDT

Use of antibiotics is still prevalent among terminal patients who have chosen hospice care as an end-of-life option, despite little evidence that the medications improve symptoms or quality of life, research shows, and sometimes may cause unwanted side effects. It's another example of serious overuse of antibiotics in the US.

Online advertising: Using competitors' brand name as a keyword can backfire

Posted: 14 Jul 2014 10:39 AM PDT

Buying keywords of a popular competitors' brand names on search engines such as Google and Bing can backfire according to a new study. Firms often buy brand names of better-known rivals' to reach buyers looking for rivals' products or to be seen in the company of more popular companies. However, contrary to common belief, when an inferior brand's ad is seen next to a superior brand's web links, a large difference in reputation is further magnified in the minds of consumers.

Bothered by hot flashes? Acupuncture might be the answer, analysis suggests

Posted: 14 Jul 2014 09:28 AM PDT

A meta-analysis of randomized controlled trials indicates that acupuncture can affect the severity and frequency of hot flashes for women in natural menopause.

New technology for diagnosis of cancer cells

Posted: 14 Jul 2014 09:28 AM PDT

The type of therapy a cancer patient receives largely depends on the eye of a pathologist. However, human judgment is, by its very nature, subject to variation. To enhance the quality of diagnosis, scientists have developed a software that identifies cell structures and proteins in order to provide reliable diagnoses.

Say 'no' to interruptions, 'yes' to better work

Posted: 14 Jul 2014 09:26 AM PDT

Modern office workers are expected to multitask regularly, often juggling multiple projects and priorities over the course of a day. Studies have shown that the typical employee in an office environment is interrupted up to six times per hour, but how does that impact the finished product? New research evaluates how ongoing interruptions can negatively affect the quality of work.

3D printed anatomy to mark a new era for medical training

Posted: 14 Jul 2014 07:41 AM PDT

The creators of a unique kit containing anatomical body parts produced by 3D printing say it will revolutionize medical education and training, especially in countries where cadaver use is problematic. The '3D Printed Anatomy Series' is thought to be the first commercially available resource of its kind. The kit contains no human tissue, yet it provides all the major parts of the body required to teach anatomy of the limbs, chest, abdomen, head and neck.

Potential Alzheimer's disease risk factor and risk reduction strategies become clearer

Posted: 14 Jul 2014 07:40 AM PDT

Participation in activities that promote mental activity, and moderate physical activity in middle age, may help protect against the development of Alzheimer's disease and dementia in later life, according to new research.

Physical fitness associated with less pronounced effect of sedentary behavior

Posted: 14 Jul 2014 07:40 AM PDT

Physical fitness may buffer some of the adverse health effects of too much sitting, according to a new study. Sedentary behavior has been linked to an increase risk of obesity, metabolic syndrome, type 2 diabetes mellitus, cardiovascular disease, some cancers, and premature death. But previous studies of the association have not taken into account the protective impact of fitness, a strong predictor of cardiovascular disease incidence and mortality.

Internet browsing can improve millennial attention to workplace tasks

Posted: 14 Jul 2014 07:03 AM PDT

A recent research article has empirically test the theory of Workplace Internet Leisure Browsing, its effectiveness in restoring overall attention to workplace tasks, and attitudes toward workplace Internet browsing among differing age groups.  The implication of this dual study is that short breaks that include non-work related Internet browsing can potentially improve younger workers' (under the age of 30) attention to work tasks.

'Noisy' memory in schizophrenia

Posted: 14 Jul 2014 07:03 AM PDT

The inability to ignore irrelevant stimuli underlies the impaired working memory and cognition often experienced by individuals diagnosed with schizophrenia, reports a new study. Our brains are usually good at focusing on the information that we are trying to learn and filtering out the "noise" or thoughts that aren't relevant. However, memory impairment in schizophrenia may be related in part to a problem with this filtering process, which medical researchers have recently studied.

Validity of change in DSM-5 attention-deficit/hyperactivity disorder (ADHD) age of onset criterion confirmed

Posted: 14 Jul 2014 07:03 AM PDT

A recent study confirms the validity of the DSM-5 change to the age of onset criterion for diagnosis of attention-deficit/hyperactivity disorder (ADHD). In DSM-5, age of onset criterion for ADHD, previously set at 7 in DSM-IV, has been raised to 12. As explained in DSM-5, age of onset is now set at 12, rather than an earlier age, to reflect the importance of clinical presentation during childhood for accurate diagnosis, while also acknowledging the difficulties in establishing precise childhood onset retrospectively.

Sunscreens do not fully protect against the development of melanoma, mouse study suggests

Posted: 14 Jul 2014 07:03 AM PDT

Sunscreen, even with a sun protection factor (SPF) 50, may not fully protect against the development of melanoma. Sunscreen protects against immediate radiation damage including sunburn, but the radiation can still penetrate and damage the DNA of cells and cause cancer, according to an animal study.

How cannabis compound could slow tumor growth

Posted: 14 Jul 2014 07:03 AM PDT

Scientists have shown how the main psychoactive ingredient in cannabis, THC, could reduce tumor growth in cancer patients. New research reveals the existence of previously unknown signaling platforms which are responsible for the drug's success in shrinking tumors.

Weighty issue: Stress and high-fat meals combine to slow metabolism in women

Posted: 14 Jul 2014 07:01 AM PDT

A new study in women suggests that experiencing one or more stressful events the day before eating a single high-fat meal can slow the body's metabolism, potentially contributing to weight gain.

Genetic recipe to turn stem cells to blood

Posted: 14 Jul 2014 07:01 AM PDT

The ability to reliably and safely make in the laboratory all of the different types of cells in human blood is one key step closer to reality. Stem cell researchers have discovered two genetic programs responsible for taking blank-slate stem cells and turning them into both red and the array of white cells that make up human blood.

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