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How much sleep do you really need?
February 12, 2015 05:26 AM - LOYOLA UNIVERSITY HEALTH SYSTEM via EurekAlert.
Loyola University Chicago Stritch School of Medicine researcher Lydia DonCarlos, PhD, is a member of an expert panel that's making new recommendations on how much sleep people need.
The panel, convened by the National Sleep Foundation, is making its recommendations based on age, ranging from newborns (who need 14 to 17 hours of sleep per day) to adults aged 65 and up (7 to 8 hours per day).
Autoimmune disease risk found related to mercury exposure
February 10, 2015 07:03 AM -
One of the greatest risk factors for autoimmunity among women of childbearing age may be associated with exposure to mercury such as through seafood, a new University of Michigan study says.
The findings, which appear in Environmental Health Perspectives, found that mercury - even at low levels generally considered safe - was associated with autoimmunity. Autoimmune disorders, which cause the body's immune system to attack healthy cells by mistake, affects nearly 50 million Americans and predominately women.
Will eating Chili peppers make you thin?
February 9, 2015 08:25 AM - University of Wyoming via BIOPHYSICAL SOCIETY at EurekAlert.
Don't go chomping on a handful of chili peppers just yet, but there may be help for hopeful dieters in those fiery little Native American fruits.
A large percentage of the world's population -- fully one third, by the World Health Organization's estimates -- is currently overweight or obese. This staggering statistics has made finding ways to address obesity a top priority for many scientists around the globe, and now a group of researchers at the University of Wyoming has found promise in the potential of capsaicin -- the chief ingredient in chili peppers -- as a diet-based supplement.
Children benefit from getting outdoors
February 7, 2015 08:42 AM - Click Green staff
The health benefits of active outdoor pursuits over sedentary indoor pastimes are well known and increasingly highlighted in the battle against childhood obesity and its long-term consequences.
People of all ages extol the virtues of getting some fresh air, particularly for a generation of children in which, according to a Mothercare survey last year, more than a quarter play outside for less than half an hour a week.
US considering standards for organic fish farming
February 5, 2015 06:32 AM - KRISTOFOR HUSTED, NPR
When it comes to organic certification, food producers must follow strict guidelines.
For an organic steak, for instance, the cow it came from has to be raised on organic feed, and the feed mix can't be produced with pesticides, chemical fertilizers or genetic engineering.
Now, the U.S. Department of Agriculture is considering a set of rules for organic farmed fish.
Study Finds Leaks in Boston's Natural Gas Pipelines
February 2, 2015 04:37 PM - S.E. Smith, Care2
A team of researchers led by Kathryn McKain of Harvard University has recently discovered that approximately three percent of the natural gas delivered to Boston leaks directly into the atmosphere, taking with it a heavy load of methane, a known greenhouse gas. Their study doesn’t just have significant environmental implications: It’s estimated that the city is losing around $90 million to leaks every year. Correcting leaks is a relatively straightforward task, though it would require some investment in natural gas infrastructure and consumer education. However, these costs would be mitigated by the substantial savings offered if Boston was able to cut down on its methane problem.
Millions may be exposed to arsenic in private well water
February 2, 2015 09:29 AM - The Earth Institute - Columbia University
Naturally occurring arsenic in private wells threatens people in many U.S. states and parts of Canada, according to a package of a dozen scientific papers to be published next week. The studies, focused mainly on New England but applicable elsewhere, say private wells present continuing risks due to almost nonexistent regulation in most states, homeowner inaction and inadequate mitigation measures. The reports also shed new light on the geologic mechanisms behind the contamination. The studies come amid new evidence that even low doses of arsenic may reduce IQ in children, in addition to well documented risks of heart disease, cancer and reduced lung function. The reports comprise a special section in the journal Science of the Total Environment.
Light rail-based air quality monitoring study launched in Salt Lake City
January 31, 2015 09:33 AM - University of Utah
A team of University of Utah researchers has launched an air pollution monitoring project that will result in a better understanding of air quality across the Wasatch Front.
Utah researchers Logan Mitchell, Erik Crosman, John Horel, and John Lin of the University of Utah’s Department of Atmospheric Sciences are a few months in to the ongoing project, in which data are being gathered from sensors mounted on TRAX trains, in coordination with several partners in the community.
The project seeks to measure pollutants, including fine particulate matter (PM2.5) ozone and greenhouse gases, as well as meteorology using instruments installed on the Utah Transit Authority’s light rail train (TRAX) that travels through the Salt Lake Valley.
ADHD linked to pesticide exposure
January 29, 2015 06:57 AM - Rutgers University
A commonly used pesticide may alter the development of the brain’s dopamine system -- responsible for emotional expression and cognitive function – and increase the risk of attention deficit hyperactivity disorder in children, according to a new Rutgers study.
Mice exposed to a commonly used pesticide in utero and through lactation exhibited several features of ADHD, including dysfunctional dopamine signaling in the brain, hyperactivity, working memory, attention deficits and impulsive-like behavior.
The research published Wednesday in the Journal of the Federation of American Societies for Experimental Biology (FASEB), by Rutgers scientists and colleagues from Emory University, the University of Rochester Medical Center, and Wake Forest University discovered that mice exposed to the pyrethroid pesticide deltamethrin in utero and through lactation exhibited several features of ADHD, including dysfunctional dopamine signaling in the brain, hyperactivity, working memory, attention deficits and impulsive-like behavior.
New analysis explores trends in global plastic consumption and recycling
January 28, 2015 03:35 PM - Gaelle Gourmelon, Worldwatch Institute
For more than 50 years, global production of plastic has continued to rise. Some 299 million tons of plastics were produced in 2013, representing a 4 percent increase over 2012. Recovery and recycling, however, remain insufficient, and millions of tons of plastics end up in landfills and oceans each year, writes Gaelle Gourmelon, Communications and Marketing Manager at the Worldwatch Institute, in the Institute’s latest Vital Signs Online article.