الخميس، 13 أكتوبر 2016

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


Soft robots that mimic human muscles

Posted: 12 Oct 2016 10:31 AM PDT

Robots are usually expected to be rigid, fast and efficient. But researchers have turned that notion on its head with their soft robots.

Dysfunction in neuronal transport mechanism linked to Alzheimer's disease

Posted: 12 Oct 2016 10:20 AM PDT

Researchers have confirmed that mutation-caused dysfunction in a process cells use to transport molecules within the cell plays a previously suspected but underappreciated role in promoting the heritable form of Alzheimer's disease, but also one that might be remedied with existing therapeutic enzyme inhibitors.

New model for understanding myeloma

Posted: 12 Oct 2016 10:20 AM PDT

To develop new approaches to cancer prevention, scientists have attempted to grow tumor cells from precursor states in animal models.

Hypothyroidism symptoms linger despite medication use, normal blood tests

Posted: 12 Oct 2016 10:20 AM PDT

New research gives hypothyroidism patients—who often feel dismissed and forgotten—evidence that their persistent symptoms are not just in their heads.

Visual cortex plays role in plasticity of eye movement reflex

Posted: 12 Oct 2016 10:20 AM PDT

The visual cortex – a region of the brain known to process sensory information – plays a key role in promoting the plasticity of innate, spontaneous eye movements, according to a study.

New analysis sheds light on Zika virus evolution, spread

Posted: 12 Oct 2016 09:10 AM PDT

Researchers have modeled the evolutionary development and diversity of the Zika virus to better understand how infection spreads between populations and how the virus reacts with the immune system. Such an understanding is essential if an effective vaccine is to be developed.

Regeneration of spinal nerve cells boosted

Posted: 12 Oct 2016 07:27 AM PDT

Researchers successfully boosted the regeneration of mature nerve cells in the spinal cords of adult mammals -- an achievement that could one day translate into improved therapies for patients with spinal cord injuries.

Moms and dads of kids with food allergies think they're allergic too

Posted: 12 Oct 2016 07:26 AM PDT

Only 28 percent of parents of kids with food allergies tested positive to the foods to which they reported being allergic, new research shows.

Common nerve protein elevated in aggressive neuroblastomas

Posted: 12 Oct 2016 07:26 AM PDT

A protein produced by nerve cells appears to be elevated in the blood of those with an aggressive form of neuroblastoma. The finding could potentially lead to a prognostic test for the disease or be used to monitor its progress.

New treatment approach for leukemia renders cancer genes powerless

Posted: 12 Oct 2016 06:58 AM PDT

A targeted epigenetic approach for the treatment of aggressive forms of leukemia has been revealed by researchers. Acute myeloid leukemia (AML) refers to a group of disorders that are also known as blood cancer. AML is an aggressive disease of malignant immature blood cells which, if left untreated, almost always causes the death of the affected patient.

Stem cell gene found to command skeletal muscle regeneration

Posted: 12 Oct 2016 06:58 AM PDT

Prox1 gene has long been known to play an important role in fetal development. Researchers have now discovered that Prox1 is essential also for skeletal muscle stem cell differentiation. Skeletal muscles are important not only for locomotion but also for the regulation of whole-body metabolism. Muscles have remarkable capacity to regenerate after injury and to adapt in response to exercise training.

People with bipolar disorder more than twice as likely to have suffered childhood adversity

Posted: 12 Oct 2016 06:57 AM PDT

People with bipolar disorder are more than twice as likely to have suffered childhood adversity. Bipolar disorder is characterized by extreme depressive and manic states which impair quality of life and increase suicide risk. An urgent need in this field is better understanding of risk factors that can be used to improve detection and treatment.

You fingers show your athletic potential and anxiety

Posted: 12 Oct 2016 06:56 AM PDT

By comparing your index and ring fingers, a neuroscientist can tell if you are likely to be anxious, or if you are likely to be a good athlete.

Scientists identify potent new anti-obesity, anti-diabetes target

Posted: 12 Oct 2016 06:56 AM PDT

Scientists have identified a key protein that promotes fat accumulation in animal models by slowing the breakdown and expenditure of fat and encouraging weight gain.

Clinical trial confirms GP-prescribed treatments are effective for women with heavy periods

Posted: 12 Oct 2016 06:56 AM PDT

The largest and longest running clinical trial of medical therapies for heavy periods has found that women can be greatly helped by having treatments just from their GP, with most avoiding hospital operations.

Post breastfeeding tissue remodelling explained by new research

Posted: 12 Oct 2016 06:56 AM PDT

A ground-breaking study into the changes that occur in a woman's breast, from growing into one that provides milk for a new-born, and then back to its normal state, has discovered that milk-producing cells are, in effect, cannibalized by other cells following the period of breastfeeding.

Calcium supplements may damage the heart

Posted: 11 Oct 2016 03:26 PM PDT

Taking calcium in the form of supplements may raise the risk of plaque buildup in arteries and heart damage, although a diet high in calcium-rich foods appears be protective, say researchers at conclusion of their study that analyzed 10 years of medical tests on more than 2,700 people.

Televiewing predicts social impairment during adolescence

Posted: 11 Oct 2016 01:36 PM PDT

Young children who watch too much television are at risk of victimization and social isolation, and adopting violent and antisocial behavior toward other students at age 13, new research indicates.

Combination therapy shows promise in fighting neuroblastoma

Posted: 11 Oct 2016 01:19 PM PDT

Further light has been shed on the role of the cytokine TGF?1 in the growth of neuroblastoma, and suggests the possibility for a small molecule drug/antibody combinatorial therapy to treat this cancer.

Correlation found in TBI, concussions

Posted: 11 Oct 2016 01:19 PM PDT

Physicians and researchers have identified a link between domestic violence and traumatic brain injury. The findings could have important implications in the treatment of domestic violence survivors, both in medical and social service communities.

Common asthma drug could prevent liver disease, reduce need for liver transplants

Posted: 11 Oct 2016 01:19 PM PDT

A drug commonly used for the prevention of allergies and asthma someday could find new use in preventing liver disease and reducing the need for transplants, according to new research.

Technique may identify patients with fast-progressing fibrosis in nonalcoholic fatty liver disease

Posted: 11 Oct 2016 11:10 AM PDT

Combining multiple non-invasive measures, researchers describe a novel method to quantify the progression of nonalcoholic fatty liver disease (NAFLD) to its more dangerous and deadly states -- advanced fibrosis and cirrhosis.

New research on common bacterium opens door to fighting gastric cancer

Posted: 11 Oct 2016 11:10 AM PDT

A common bacterium that more than half of people have in their gut can use hydrogen gas present in the gastrointestinal tract to inject a cancer-causing toxin into otherwise healthy cells, according to a recently published study.

Study gives doctors guidance on 'reproductive coercion'

Posted: 11 Oct 2016 10:17 AM PDT

New research finds that men purposely are breaking their own condoms and pressuring female partners in their teens and 20s to go without birth control in order to get them pregnant. The study provides doctors and nurse practitioners a streamlined set of questions to discuss with their female patients about this troubling issue, known as "reproductive coercion."

Genomic study of high school students from across Denmark reveals remarkable genetic homogeneity

Posted: 11 Oct 2016 10:14 AM PDT

People from Denmark are remarkably genetically similar to each other, report researchers. The study revealed that, Denmark has a relatively genetically homogeneous population as people have mixed freely throughout the country.

Sweat too much? You might have a treatable medical condition called 'hyperhidrosis'

Posted: 11 Oct 2016 10:14 AM PDT

Are you embarrassed by how much you sweat? It's normal to sweat when you get nervous or exert yourself. However, if you sweat easily or to the point where sweat is visible on your clothing when you aren't exerting yourself, you may have a condition called "hyperhidrosis," or excessive sweating. Without treatment, say experts, hyperhidrosis can interfere with everyday activities and may even cause other skin conditions to develop.

New approach to gallbladder surgery, smallest reported incision

Posted: 11 Oct 2016 10:12 AM PDT

A surgical team has completed the first series of operations with a novel surgical system that can remove a diseased gallbladder through a single incision hidden in the belly button.

Study finds differences in obesity rates between children/teens with and without autism

Posted: 11 Oct 2016 10:00 AM PDT

Children and teens with autism spectrum disorder may be more likely to be obese and stay obese during adolescence than their peers without autism spectrum disorder, research indicates.

Family stressors and traumatic childhood experiences linked to ADHD diagnoses in children

Posted: 11 Oct 2016 10:00 AM PDT

Children who experience family and environmental stressors, and traumatic experiences, such as poverty, mental illness and exposure to violence, are more likely to be diagnosed with Attention Deficit/Hyperactivity Disorder (ADHD), say researchers.

Receptionists could put people off seeing their GP

Posted: 10 Oct 2016 07:09 PM PDT

Forty per cent of people say that having to talk through their symptoms with doctors' receptionists could put them off going to their GP, according to research.

Genes related to vitiligo identified

Posted: 10 Oct 2016 10:59 AM PDT

A research team has been searching for potential causes of vitiligo, an autoimmune disease that gives rise to patches of white skin and hair. In a new report, they announce they have identified 23 locations on the human genome that are newly linked to susceptibility for vitiligo.

Insights into the development of sperm and egg cell precursors in the embryo

Posted: 10 Oct 2016 10:17 AM PDT

Researchers have investigated the early stages of the development of cells called primordial germ cells and developed strategies to generate 'lookalike' cells in the lab. The generation of human 'lookalike' primordial germ cells is of importance for future fertility studies and the analysis of potential transgenerational epigenetic inheritance in humans.

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