ScienceDaily: Health & Medicine News

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• Megabladder mouse model may help predict severity of pediatric kidney damage
• Relationship of kidney function estimates to risk improves by measuring cystatin C in the blood
• Clinical tool classifies spots on lung scans of smokers
• DNA changes during pregnancy persist into childhood
• Your finger's pulse holds the key to your heart's health
• Exercise may reduce the risk of epilepsy later in life for men
• Heart attack death rates unchanged in spite of faster care at hospitals
• Look at what i'm saying: Engineers show brain depends on vision to hear
• Youthful stem cells from bone can heal the heart
• Chemotherapy helps elderly patients with small cell lung cancer
• Accelerated radiotherapy more efficient than current practice, study suggests
• Discovery shows cerebellum plays important role in sensing limb position and movement
• Experimental compound reverses down syndrome-like learning deficits in mice
• New laser-based tool could dramatically improve the accuracy of brain tumor surgery
• New pathway discovered in blood vessel inflammation and disease
• Looking inside vessels to understand blood's ebb and flow
• TB and Parkinson's disease linked by unique protein
• Biologists uncover details of how we squelch defective neurons
• Young adults on the autism spectrum face tough prospects for jobs and independent living
• More than one-third of populations worldwide may have low levels of vitamin D, study shows
• Pet predicts outcomes for patients with cervical spinal cord compression
• Bismuth-carrying nanotubes show promise for CT scans
• Faulty internal recycling by brain's trash collectors may contribute to Alzheimer's
• Alzheimer's 'missing link' found: Promising target for new drugs
• Pain-free microneedle influenza vaccine is effective, long-lasting
• The difference between obsession and delusion
• Why energy drinks are harming children, adolescents
• Links made between problem gambling and substance abuse, and lack of treatment options
• Better hygiene in wealthy nations may increase Alzheimer's risk, study suggests
• Simian foamy viruses readily occur between humans and macaques in urban Bangladesh
• Air pollution worsened by climate change set to be more potent killer in the 21st century
• Scientists link a protein to initial tumor growth in several cancers
• Stress-related protein speeds progression of Alzheimer's disease
• Tattoos reduce chances of getting a job
• People who undergo cataract surgery to correct visual impairment live longer
• Psychological effects of genetic testing for risk of weight gain
• Key 'personalized medicine' review published
• Treatment of children with cerebral palsy could be boosted
• Pedi-Flite improves outcomes and reduces costs for pediatric diabetic patients
• Electromagnets guide heart device implantation, reduce radiation exposure
• Association between hormone replacement therapy use and breast cancer risk varies
• Sports addictions can ruin relationships
• Insulin status is important determinant of weight reduction on vascular function
• Ease of access improves fruit and vegetable consumption

Megabladder mouse model may help predict severity of pediatric kidney damage Posted: 04 Sep 2013 05:51 PM PDT A new study of the megabladder mouse model suggests that tracking changes in the expression of key genes involved in kidney disease could help physicians predict the severity of urinary tract obstruction in pediatric patients, which could help identify children at the greatest risk of chronic kidney disease and permanent organ damage.

Relationship of kidney function estimates to risk improves by measuring cystatin C in the blood Posted: 04 Sep 2013 05:50 PM PDT A new study has found that use of blood levels of cystatin C to estimate kidney function -- alone or in combination with creatinine -- strengthens the association between kidney function and risks of death and end-stage renal disease.

Clinical tool classifies spots on lung scans of smokers Posted: 04 Sep 2013 05:41 PM PDT A new clinical risk calculator has been developed that classifies, nine out of ten times, which spots or lesions are benign and malignant on an initial lung computed tomography scan among individuals at high risk for lung cancer.

DNA changes during pregnancy persist into childhood Posted: 04 Sep 2013 05:41 PM PDT Even before they are born, babies accumulate changes in their DNA through a process called DNA methylation that may interfere with gene expression, and in turn, their health as they grow up. But until now it's been unclear just how long these changes during the prenatal period persist. In a new study, researchers establish that signs of DNA methylation persist through early childhood.

Your finger's pulse holds the key to your heart's health Posted: 04 Sep 2013 05:36 PM PDT A new technique to measure the stiffness of the aorta, a common risk factor for heart disease, involves measuring the pulse in the finger or on the arm, combined with an individual's age and body mass index.

Exercise may reduce the risk of epilepsy later in life for men Posted: 04 Sep 2013 05:35 PM PDT New research suggests that men who exercise vigorously as young adults may reduce their risk of developing epilepsy later in life.

Heart attack death rates unchanged in spite of faster care at hospitals Posted: 04 Sep 2013 05:35 PM PDT Heart attack deaths have remained the same, even as hospital teams have gotten faster at treating heart attack patients with emergency angioplasty, according to a new study.

Look at what i'm saying: Engineers show brain depends on vision to hear Posted: 04 Sep 2013 05:35 PM PDT Bioengineers have discovered our understanding of language may depend more heavily on vision than previously thought: under the right conditions, what you see can override what you hear.

Youthful stem cells from bone can heal the heart Posted: 04 Sep 2013 01:16 PM PDT Researchers have discovered that when it comes to the regeneration of heart tissue, cortical bone-derived stem cells might do a better job than the heart's own stem cells. This finding challenges longstanding assumptions about which cells are the most effective at repairing damaged heart tissue after heart attacks.

Chemotherapy helps elderly patients with small cell lung cancer Posted: 04 Sep 2013 01:16 PM PDT Researchers conclude that chemotherapy is associated with a greater than six-month improvement in median survival among elderly patients with small-cell lung cancer, even in patients over the age of 80 years.

Accelerated radiotherapy more efficient than current practice, study suggests Posted: 04 Sep 2013 01:16 PM PDT Radiotherapy with or without chemotherapy is increasingly being used in the curative treatment for un-resected non-small cell lung cancer. But, until now, researchers had not looked at the cost-effectiveness of the treatment.

Discovery shows cerebellum plays important role in sensing limb position and movement Posted: 04 Sep 2013 01:12 PM PDT New findings show, for the first time, the link between the brain's cerebellum and proprioception, or the body's ability to sense movement and joint and limb position. A new study uncovers a previously unknown perceptual deficit among cerebellar patients, suggesting that damage to this portion of the brain can directly impact a person's ability to sense the position of their limbs and predict movement. This discovery could prompt future researchers to reexamine physical therapy tactics for cerebellar patients, who often have impaired coordination or appear clumsy.

Experimental compound reverses down syndrome-like learning deficits in mice Posted: 04 Sep 2013 11:09 AM PDT Researchers have identified a compound that dramatically bolsters learning and memory when given to mice with a Down syndrome-like condition on the day of birth. The single-dose treatment appears to enable the cerebellum of the rodents' brains to grow to a normal size.

New laser-based tool could dramatically improve the accuracy of brain tumor surgery Posted: 04 Sep 2013 11:09 AM PDT A new laser-based technology may make brain tumor surgery much more accurate, allowing surgeons to tell cancer tissue from normal brain at the microscopic level while they are operating, and avoid leaving behind cells that could spawn a new tumor.

New pathway discovered in blood vessel inflammation and disease Posted: 04 Sep 2013 10:25 AM PDT Researchers have identified a genetic factor that blocks the blood vessel inflammation that can lead to heart attacks, strokes and other potentially life-threatening events.

Looking inside vessels to understand blood's ebb and flow Posted: 04 Sep 2013 10:25 AM PDT Biomedical engineers are developing an advanced mathematical modeling of how nitric oxide -- the chemical that regulates blood flow -- is produced in the body.

TB and Parkinson's disease linked by unique protein Posted: 04 Sep 2013 10:24 AM PDT A protein at the center of Parkinson's disease research now also has been found to play a key role in causing the destruction of bacteria that cause tuberculosis, according to microbiologists.

Biologists uncover details of how we squelch defective neurons Posted: 04 Sep 2013 10:04 AM PDT Biologists have identified a new component of the cellular mechanism by which humans and animals automatically check the quality of their nerve cells to assure they're working properly during development.

Young adults on the autism spectrum face tough prospects for jobs and independent living Posted: 04 Sep 2013 10:04 AM PDT For young adults with autism spectrum disorders, making the transition from school to the first rites of independent adult life, including a first job and a home away from home, can be particularly challenging. Two new reports on a large, nationally representative US sample show outcomes in employment and residential status are worse for young adults with ASDs than for those with other disabilities.

More than one-third of populations worldwide may have low levels of vitamin D, study shows Posted: 04 Sep 2013 10:04 AM PDT A systematic review focused on patterns of vitamin D status worldwide and in key population subgroups, using continuous values for 25(OH)D to improve comparisons. Although a high degree of variability between reports of vitamin D status at the population level was found, more than one-third of the studies reviewed reported mean serum 25(OH)D values below 50 nmol/l.

Pet predicts outcomes for patients with cervical spinal cord compression Posted: 04 Sep 2013 10:03 AM PDT For patients with degenerative cervical myelopathy, some imaging techniques could act as a marker for a potentially reversible phase of the disease in which substantial clinical improvement can be achieved.

Bismuth-carrying nanotubes show promise for CT scans Posted: 04 Sep 2013 10:03 AM PDT Scientists are placing bismuth in nanotubes to tag stem cells for efficient tracking with CT scanners.

Faulty internal recycling by brain's trash collectors may contribute to Alzheimer's Posted: 04 Sep 2013 10:03 AM PDT A defective trash-disposal system in the brain's resident immune cells may be a major contributor to neurodegenerative disease, scientists have found.

Alzheimer's 'missing link' found: Promising target for new drugs Posted: 04 Sep 2013 10:03 AM PDT Researchers have discovered a protein that is the missing link in the complicated chain of events that lead to Alzheimer's disease, they report in the Sept. 4 issue of the journal Neuron. Researchers also found that blocking the protein with an existing drug can restore memory in mice with brain damage that mimics the disease.

Pain-free microneedle influenza vaccine is effective, long-lasting Posted: 04 Sep 2013 08:48 AM PDT Scientists have developed an influenza vaccine delivered via microneedle patch that provided 100 percent protection against a lethal influenza virus in mice more than one year after vaccination.

The difference between obsession and delusion Posted: 04 Sep 2013 08:48 AM PDT Because animals can't talk, researchers need to study their behavior patterns to make sense of their activities. Now researchers are using a common zoological method to study people with serious mental disorders such as schizophrenia and OCD.

Why energy drinks are harming children, adolescents Posted: 04 Sep 2013 08:43 AM PDT Parents beware. If your tots and teens get their hands on your energy drinks, they could experience seizures, heart palpitations or other problems that drive them to the hospital emergency room, experts say.

Links made between problem gambling and substance abuse, and lack of treatment options Posted: 04 Sep 2013 07:53 AM PDT Problem gamblers are a hidden population among people with mental health or substance abuse issues. These people often don't get the treatment they need.

Better hygiene in wealthy nations may increase Alzheimer's risk, study suggests Posted: 04 Sep 2013 07:53 AM PDT New research has found a 'very significant' relationship between a nation's wealth and hygiene and the Alzheimer's 'burden' on its population. High-income, highly industrialized countries with large urban areas and better hygiene exhibit much higher rates of Alzheimer's.

Simian foamy viruses readily occur between humans and macaques in urban Bangladesh Posted: 04 Sep 2013 07:53 AM PDT Scientists have been examining transmission of a virus from monkeys to humans in Bangladesh, one of the world's most densely populated countries. The scientists have found that some people in urban Bangladesh are concurrently infected with multiple strains of simian foamy virus, including strains from more than one source (recombinant) -- and call for more surveillance to prevent another outbreak like HIV.

Air pollution worsened by climate change set to be more potent killer in the 21st century Posted: 04 Sep 2013 07:51 AM PDT This century, climate change is expected to induce changes in air pollution, exposure to which could increase annual premature deaths by more than 100,000 adults worldwide. Scientists urge, in the face of future climate change, stronger emission controls to avoid worsening air pollution and the associated exacerbation of health problems, especially in more populated regions of the world.

Scientists link a protein to initial tumor growth in several cancers Posted: 04 Sep 2013 07:51 AM PDT A team of scientists have shown that a protein once thought to inhibit the growth of tumors is instead required for initial tumor growth. The findings could point to a new approach to cancer treatment.

Stress-related protein speeds progression of Alzheimer's disease Posted: 04 Sep 2013 06:41 AM PDT A stress-related protein genetically linked to depression, anxiety and other psychiatric disorders contributes to the acceleration of Alzheimer's disease, a new study has found.

Tattoos reduce chances of getting a job Posted: 04 Sep 2013 06:41 AM PDT Having a tattoo can reduce your chance of getting a job, but it depends on where the tattoo is, what it depicts, and if the job involves dealing with customers.

People who undergo cataract surgery to correct visual impairment live longer Posted: 04 Sep 2013 06:40 AM PDT People with cataract-related vision loss who have had cataract surgery to improve their sight are living longer than those with visual impairment who chose not to have the procedure, according to a new article. After comparing the two groups, the researchers found a 40 percent lower long-term mortality risk in those who had the surgery.

Psychological effects of genetic testing for risk of weight gain Posted: 04 Sep 2013 06:35 AM PDT Obesity gene testing does not put people off weight loss and may help to reduce self-blame, according to a new study.

Key 'personalized medicine' review published Posted: 04 Sep 2013 06:35 AM PDT Many medicines that are prescribed to patients either do not work properly or have some significant side effects. The aim of personalized medicine, sometimes called "precision medicine," is to ensure that the most appropriate medicine is given to each patient and that the medicine is both effective and safe.

Treatment of children with cerebral palsy could be boosted Posted: 04 Sep 2013 06:35 AM PDT Children with cerebral palsy could be helped to speak more clearly following the advice of new research.

Pedi-Flite improves outcomes and reduces costs for pediatric diabetic patients Posted: 03 Sep 2013 04:41 PM PDT Studies have demonstrated that providing families with diabetic children access via pager to a transport team improves outcomes and efficiency.

Electromagnets guide heart device implantation, reduce radiation exposure Posted: 03 Sep 2013 04:39 PM PDT Electromagnetic tracking, similar to GPS tracking, may be a safer, faster way to implant a heart pacing device, and reduces patients' and doctors' exposure to radiation.

Association between hormone replacement therapy use and breast cancer risk varies Posted: 03 Sep 2013 04:39 PM PDT According to a new study, risk of breast cancer associated with use of hormone replacement therapy among postmenopausal women varies when analyzed by race/ethnicity, body mass index, and breast density.

Sports addictions can ruin relationships Posted: 03 Sep 2013 04:37 PM PDT Sports are an enjoyable past-time, but they should be just that. Youth sports and marriages can be ruined by an adult's addiction to the game.

Insulin status is important determinant of weight reduction on vascular function Posted: 03 Sep 2013 12:18 PM PDT Researchers have found that among obese people who had lost considerable weight, those with high insulin levels -- a marker of insulin resistance in the body -- were the most likely to experience better blood vessel function following the weight loss.

Ease of access improves fruit and vegetable consumption Posted: 03 Sep 2013 12:17 PM PDT A new study that community-supported agriculture programs may be a feasible approach for providing fresh fruits and vegetables to under-resourced communities.

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