الثلاثاء، 15 يوليو 2014

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine 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.

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.

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.

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.

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.

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.

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.

'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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