ScienceDaily: Top Health News

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ScienceDaily: Top Health News


Viruses under the microscope
Dietary fiber reduces brain inflammation during aging
How skin begins: New research could improve skin grafts, and more
We have more than enough calories, but what about other nutrients?
Probiotic use may reduce antibiotic prescriptions
New method promises fewer side effects from cancer drugs
Scientists reveal drumming helps schoolchildren diagnosed with autism
Calorie counts on restaurant menus have customers ordering less
Leptospirosis strains identified in Uruguay cattle
Largest study of 'post-treatment controllers' reveals clues about HIV remission
Suspending young students risks future success in school
Mixed chemicals in beauty products may harm women's hormones
Expedited partner therapy: With STDs at an all-time high, why aren't more people getting a proven treatment?
Why some people are at risk of gout
BPA replacements in plastics cause reproductive problems in lab mice
People show confirmation bias even about which way dots are moving
Enhanced 3-D imaging poised to advance treatments for brain diseases
Eyes have a natural version of night vision
Open insulin, 'DIY bio' and the future of pharma
Caspase-2 enzyme inhibitor shows promise for ameliorating fatty liver disease
One in three college freshmen worldwide reports mental health disorder
Obesity alters airway muscle function, increases asthma risk
New means to fight 'un-killable' bacteria in healthcare settings
Computer avatars play a part in dementia detection
Testosterone replacement therapy may slow the progression of COPD
Disrupting genetic processes reverses aging in human cells
The art of storytelling: Researchers explore why we relate to characters
Anti-inflammatory diet linked to reduced risk of early death
Heat-related deaths likely to increase significantly as global temperatures rise, warn researchers
Diagnosing and treating resistant hypertension
The irresistible CCL17
Poorest Americans most likely to have used prescription opioids
Keep them guessing, keep them gaming
New combination treatment targets pre-leukemia stem cells
Business genius can be taught, study says
Air purifiers may benefit fetal growth
Central mystery of a baffling high-risk leukemia solved
Fluorescence-activating beta-barrel protein made from scratch for first time


Viruses under the microscope



Posted: 14 Sep 2018 07:04 AM PDT


Human herpesviruses such as HHV-6 can remain dormant in cells for many years without being noticed. When reactivated, they can cause serious clinical conditions. Researchers have now found a way of differentiating between active and inactive viruses.


Dietary fiber reduces brain inflammation during aging



Posted: 14 Sep 2018 05:48 AM PDT


As mammals age, immune cells in the brain known as microglia become chronically inflamed. In this state, they produce chemicals known to impair cognitive and motor function. That's one explanation for why memory fades and other brain functions decline during old age. But, according to a new study, there may be a remedy to delay the inevitable: dietary fiber.


How skin begins: New research could improve skin grafts, and more



Posted: 14 Sep 2018 05:48 AM PDT


Researchers have discovered a key mechanism by which skin begins to develop in embryos.


We have more than enough calories, but what about other nutrients?



Posted: 14 Sep 2018 05:48 AM PDT


A new study is the first to quantitatively map the flow of energy, protein, fat, essential amino acids and micronutrients from 'field-to-fork' at a global level and identify hotspots where nutrients are lost. The study shows that while we produce far more nutrients than is required for the global population, inefficiencies in the supply chain leave many people nutrient deficient.


Probiotic use may reduce antibiotic prescriptions



Posted: 14 Sep 2018 05:48 AM PDT


The use of probiotics is linked to reduced need for antibiotic treatment in infants and children, according to a review of studies that probed the benefits of probiotics, co-led by a Georgetown investigator.


New method promises fewer side effects from cancer drugs



Posted: 14 Sep 2018 05:48 AM PDT


A recent achievement in the field of protein research allows for better tailored pharmaceuticals with fewer side effects.


Scientists reveal drumming helps schoolchildren diagnosed with autism



Posted: 14 Sep 2018 05:48 AM PDT


Children diagnosed with autism perform better in school if they participate in two 30-minute drumming sessions a week, according to a new scientific study.


Calorie counts on restaurant menus have customers ordering less



Posted: 13 Sep 2018 01:00 PM PDT


Researchers conducted a randomized experiment and found that diners at full service restaurants whose menus listed calories ordered meals with 3 percent fewer calories -- about 45 calories less -- than those who had menus without calorie information. Customers ordered fewer calories in their appetizer and entree courses, but their dessert and drink orders remained the same.


Leptospirosis strains identified in Uruguay cattle



Posted: 13 Sep 2018 11:20 AM PDT


Leptospirosis infections, caused by Leptospira bacteria, occur in people and animals around the world, but different strains of the bacteria may vary in their ability to cause disease and to jump between species. Now, researchers have for the first time described the characteristics of the Leptospira variants that infect cattle in Uruguay.


Largest study of 'post-treatment controllers' reveals clues about HIV remission



Posted: 13 Sep 2018 10:46 AM PDT


Much remains unknown about a group of individuals known as HIV post-treatment controllers, including how rare this ability is. Two new studies explore the characteristics of this group as well as the biological mechanisms that may help explain this unique ability.


Suspending young students risks future success in school



Posted: 13 Sep 2018 10:45 AM PDT


New research finds that young suspended students -- especially boys -- are likely to be suspended again later in elementary school.


Mixed chemicals in beauty products may harm women's hormones



Posted: 13 Sep 2018 10:45 AM PDT


Researchers have discovered links between chemicals that are widely used in cosmetic and personal care products and changes in reproductive hormones.


Expedited partner therapy: With STDs at an all-time high, why aren't more people getting a proven treatment?



Posted: 13 Sep 2018 08:39 AM PDT


In a new paper, physicians describe the barriers that stand in the way of getting expedited partner therapy to more people.


Why some people are at risk of gout



Posted: 13 Sep 2018 08:39 AM PDT


Researchers have helped characterize a genetic variant that enables new understanding of why some people are at risk of gout, a painful and debilitating arthritic disease.


BPA replacements in plastics cause reproductive problems in lab mice



Posted: 13 Sep 2018 08:39 AM PDT


Twenty years ago, researchers made the accidental discovery that BPA had leached out of plastic cages used to house female mice in the lab, causing an increase in chromosomally abnormal eggs. Now, the same team is back to report that the array of alternative bisphenols now used to replace BPA in BPA-free bottles, cups, cages, and other items appear to come with similar problems for their mice.


People show confirmation bias even about which way dots are moving



Posted: 13 Sep 2018 08:39 AM PDT


People have a tendency to interpret new information in a way that supports their pre-existing beliefs, a phenomenon known as confirmation bias. Now, researchers have shown that people will do the same thing even when the decision they've made pertains to a choice that is rather less consequential: which direction a series of dots is moving and whether the average of a series of numbers is greater or less than 50.


Enhanced 3-D imaging poised to advance treatments for brain diseases



Posted: 13 Sep 2018 08:39 AM PDT


Researchers have developed a combination of commercially available hardware and open-source software, named PySight, which improves rapid 2-D and 3-D imaging of the brain and other tissues.


Eyes have a natural version of night vision



Posted: 13 Sep 2018 08:39 AM PDT


To see under starlight and moonlight, the retina of the eye changes both the software and hardware of its light-sensing cells to create a kind of night vision. Retinal circuits that were thought to be unchanging and programmed for specific tasks actively adapt to different light conditions, say the scientists who made the discovery.


Open insulin, 'DIY bio' and the future of pharma



Posted: 13 Sep 2018 08:39 AM PDT


A growing community of do-it-yourself 'biohackers' are disrupting business-as-usual for pharmaceutical discovery, development and distribution. A new article looks at how the pharmaceutical industry, and the U.S. regulatory environment, will need to change in response.


Caspase-2 enzyme inhibitor shows promise for ameliorating fatty liver disease



Posted: 13 Sep 2018 08:39 AM PDT


Researchers have discovered using mice and human clinical specimens that caspase-2, a protein-cleaving enzyme, is a critical driver of non-alcoholic steatohepatitis (NASH), a chronic and aggressive liver condition. By identifying caspase-2's critical role, they believe an inhibitor of this enzyme could provide an effective way to stop the pathogenic progression that leads to NASH -- and possibly even reverse early symptoms.


One in three college freshmen worldwide reports mental health disorder



Posted: 13 Sep 2018 08:39 AM PDT


A new study finds that more than one-third of first-year university students in eight industrialized countries around the globe report symptoms consistent with a diagnosable mental health disorder.


Obesity alters airway muscle function, increases asthma risk



Posted: 13 Sep 2018 08:39 AM PDT


Obesity changes how airway muscles function, increasing the risk of developing asthma, a new study suggests.


New means to fight 'un-killable' bacteria in healthcare settings



Posted: 13 Sep 2018 08:38 AM PDT


Scientists have identified new means of fighting drug-tolerant bacteria, a growing global threat as menacing as drug-resistant microbes. Little is known about the mechanisms leading to tolerance, a strategy that makes bacteria 'indifferent' to antibiotics and almost 'un-killable,' which results in chronic infections extremely difficult to treat and cure.


Computer avatars play a part in dementia detection



Posted: 13 Sep 2018 08:38 AM PDT


Scientists have demonstrated the possibility of detecting dementia from conversations in human-agent interaction. Their research shows how a machine can learn characteristics of sounds of elderly people who answered easy questions from avatars on a computer.


Testosterone replacement therapy may slow the progression of COPD



Posted: 13 Sep 2018 08:38 AM PDT


Testosterone replacement therapy may slow disease progression of chronic obstructive pulmonary disease, according to new research.


Disrupting genetic processes reverses aging in human cells



Posted: 13 Sep 2018 08:38 AM PDT


Research has shed new light on genetic processes that may one day lead to the development of therapies that can slow, or even reverse, how our cells age.


The art of storytelling: Researchers explore why we relate to characters



Posted: 13 Sep 2018 08:38 AM PDT


For thousands of years, humans have relied on storytelling to engage, to share emotions and to relate personal experiences. Now, psychologists are exploring the mechanisms deep within the brain to better understand just what happens when we communicate.


Anti-inflammatory diet linked to reduced risk of early death



Posted: 13 Sep 2018 08:38 AM PDT


A new study finds that adhering to an anti-inflammatory diet is associated with lower risks of dying from any cause, dying from cardiovascular causes, and dying from cancer.


Heat-related deaths likely to increase significantly as global temperatures rise, warn researchers



Posted: 13 Sep 2018 05:21 AM PDT


In a new article, experts argue that the world needs to keep global temperatures in check by meeting the goals set out in the Paris Agreement, or more people could die because of extreme temperatures.


Diagnosing and treating resistant hypertension



Posted: 13 Sep 2018 05:21 AM PDT


A new statement from the American Heart Association provides a comprehensive overview of how to diagnose and treat hypertension based on a review of available scientific information.


The irresistible CCL17



Posted: 13 Sep 2018 05:21 AM PDT


Doctors have long known that a high level of the protein CCL17 in the body indicates an allergic reaction. Now scientists have discovered a completely new function: CCL17 also influences signal transmission in the brain. There may even be a molecular link to autism.


Poorest Americans most likely to have used prescription opioids



Posted: 12 Sep 2018 05:24 PM PDT


New research finds that among older Americans, the poorest are the most likely to have used prescription opioids. The study also raises important questions about access to pain management options for the disadvantaged in the current climate of the opioid epidemic.


Keep them guessing, keep them gaming



Posted: 12 Sep 2018 11:44 AM PDT


While conventional wisdom says that people don't like uncertain gains or rewards, a new study finds that uncertainty can play an important role in motivating repeat behaviors.


New combination treatment targets pre-leukemia stem cells



Posted: 12 Sep 2018 10:35 AM PDT


Omacetaxine (to block protein synthesis) with venetoclax (to block oxidative phosphorylation), was highly effective against CD123+ leukemia stem cells.


Business genius can be taught, study says



Posted: 12 Sep 2018 10:35 AM PDT


How did Steve Jobs do it? What about Whole Foods Market and Starbucks? These kinds of 'breakout' success stories show what is possible when business leaders imagine into the future rather than re-enacting the past -- a strategy that a new study says is crucial for business success in a rapidly changing world.


Air purifiers may benefit fetal growth



Posted: 12 Sep 2018 10:35 AM PDT


A new study reveals fetal growth may improve if pregnant women use portable air purifiers inside their homes.


Central mystery of a baffling high-risk leukemia solved



Posted: 12 Sep 2018 10:35 AM PDT


Investigators have unraveled the origins and identified mutations associated with a perplexing form of acute leukemia. The landmark study appears today as an advance online publication in the journal Nature and lays the foundation for more effective treatment of patients with the high-risk cancer.Their treatment is complicated because MPAL does not fit cleanly into a single diagnosis, but includes features of both acute lymphoblastic leukemia and acute myeloid leukemia.


Fluorescence-activating beta-barrel protein made from scratch for first time



Posted: 12 Sep 2018 10:34 AM PDT


For the first time, scientists have created, entirely from scratch, a protein capable of binding to a small target molecule. They designed a cylindrical protein called a beta barrel, which has a cavity to bind the target. The designed protein was able to bind and activate a compound similar to that housed inside green fluorescent protein.
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