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Friday November 13, 2009 |
| COLUMBIA, Mo. (UPI) -- U.S. researchers say measuring eye response to light could help diagnose autism earlier.
The University of Missouri in Columbia researchers find pupil response to light change was 92.5 percent accurate in separating children with autism from those with typical development.
In the study, published in the Journal of Autism and Developmental Disorders, the researchers used a computerized binocular infrared device -- normally used by eye doctors for vision tests -- to measure how pupils react to a 100-millisecond flash light to find that the pupils of children diagnosed with autism were significantly slower to respond than those of a control group.
"There are several potential mechanisms currently under study," study leader Gang Yao said in a statement.
"If these results are successfully validated in a larger population, pupil response to light change might be developed into a biomarker that could have clinical implications in early screening for risks of autism. Studies have shown that early intervention will improve these children's developmental outcome."
Copyright 2009 by United Press International
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| CHARLOTTESVILLE, Va. (UPI) -- The Environmental Health Sciences organization said Monday that U.S. children could be at risk by consuming certain vinegars containing lead.
The journalism organization said on its Environmental Health News Web site that, according to a new analysis, lead found in balsamic and other red wine vinegars could significantly increase a child's lead level.
Levels of the potent neurotoxin in a child could be raised by more than 30 percent if the child consumes a tablespoon daily of those vinegars, Environmental Health Sciences said.
Unidentified vinegar industry representatives insist their products are safe to consume, pointing out that lead can be found in a variety of food products.
Scientific studies indicate that a child can experience learning disorders or a diminished IQ from having low levels of lead in the body. Increased lead levels in adults have been known to impact individuals' cardiovascular and immune systems, along with their kidneys.
Environmental Health Services said a list of vinegars with lower lead levels is available on environmentalhealthnews.org.
Copyright 2009 by United Press International
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| CHAMPAIGN, Ill. (UPI) -- U.S. and Hong Kong researchers say controlling parents can cause children to suffer psychologically.
Their report, published in Current Directions in Psychological Science, found longitudinal studies show the more parents make decisions for adolescents regarding personal issues, the more the child's emotional suffering will be affected two years later.
Study authors Eva Pomerantz of the University of Illinois, Champaign-Urbana and Qian Wang of The Chinese University of Hong Kong say the size of this effect was similar in the United States and China, but effects may not be uniform due to differing attitudes towards education.
The researchers say Western children expect a decrease in supervision and therefore, their psychological functioning may be dependent on the extent to which parents decrease their control over them. However, in East Asian countries, learning has a moral aspect and much greater financial impact and East Asian children may be more accepting of excessive parental involvement.
Nevertheless, Pomerantz and Wang conclude extreme parental meddling can negatively affect the children's psychological development in both of those regions.
"Recommendations that parents limit their intrusiveness in children's lives are likely to be useful both in the West and in East Asia," the study authors say in a statement.
Copyright 2009 by United Press International
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| Advice columnist Carolyn Hax is famous for her ability to get to the root of people's problems -- not just what they say, but who they are and what they're thinking.
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