Thursday, January 14, 2010

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6.7M children have no health insurance

PORTLAND, Ore. (UPI) -- More than 6.7 million U.S. children don't have health insurance and nearly 25 percent of insured children lack adequate insurance coverage, researchers say.

Christina Bethell, an associate professor of pediatrics at Oregon Health & Science University, says the National Survey of Children's Health 2007 also reveals significant state-to-state differences on a broad range of health issues for children. For example, 23 percent of adolescents in Utah are overweight or obese compared with 44 percent in Mississippi.

Insured children in Minnesota are almost twice as likely as children in Hawaii to have insurance that does not meet their needs, while 82 percent of children in Pennsylvania received needed mental healthcare services, but only 42 percent of children in Texas received the same access to mental healthcare.

"The survey highlights disparities in health and healthcare quality across states and groups of children," Bethell says in a statement. "The state a child lives in, a child's race, income and neighborhood all significantly impact his or her health."

The national survey was based on 91,642 interviews representing an average of 1,700 children younger than age 18 in each of the 50 states. More than 40 percent of children are not receiving care within a "medical home," defined as care that is accessible, continuous, comprehensive, family-centered, coordinated and compassionate, the study says.

Copyright 2010 by United Press International

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Child-related research needs improvement

EDMONTON, Alberta (UPI) -- A Canadian researcher warns research studies on children may tend to exaggerate benefits.

Lisa Harling of the University of Alberta Center for Health Evidence in Edmonton found 96 percent of the 163 North American clinical trials examined were either unclear or showed high risk of bias.

Flawed medical research, she says, could lead to children receiving treatment that either doesn't work or is harmful. It could also mean children are not receiving treatment that may help.

Her paper, published in the British Medical Journal, says some faulty research factors contributing to bias include selective reporting, inappropriate influence by the study sponsor or missing data.

Harling and colleagues are part of an international effort to develop guidelines to improve child-related research that includes StaR Child Health, experts at the World Health Organization and the U.S. Food and Drug Administration.

Copyright 2010 by United Press International

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Thyme oil reduces inflammation

NARA, Japan (UPI) -- Thyme oil is among six essential oils found to suppress inflammation, researchers in Japan say.

Study author Hiroyasu Inoue of Nara Women's University in Nara, Japan, says essential oils from clove, rose, eucalyptus, fennel and bergamot also suppress the inflammatory COX-2 enzyme, an enzyme responsible for inflammation and pain.

The study, published in the Journal of Lipid Research, suggests the anti-inflammatory effect of the six essential oils, which compares to the health benefits of the chemical resveratrol in red wine -- is due to the chemical carvacrol.

Inoue and colleagues screened a wide range of commercially available oils and identified the six that reduced COX-2 expression in cells by at least 25 percent. Of these, thyme oil proved the most active, reducing COX-2 levels by almost 75 percent.

When the major active agent found in the thyme oil -- carvacrol -- was used as pure extract, COX-2 levels decreased by more than 80 percent.

Copyright 2010 by United Press International

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Biomarker may indicate colon cancer spread

HANGZHOU, China (UPI) -- Scientists in China have discovered two blood proteins that may help predict whether colon cancer will spread.

Maode Lai and colleagues at the School of Medicine at Zhejiang University in Hangzhou, China, said the proteins, present in the blood of people with colon cancer, may serve as the potential biomarkers for accurately predicting whether the disease will spread.

Half of colon cancer patients undergoing surgery develop a recurrence of the disease within five years due to its spread, or metastasis, to other parts of the body. The spread of colon cancer can be difficult to detect and there are currently no reliable chemical markers in the body for predicting its spread, the scientists explained.

The scientists compared proteins produced by primary, or original, tumor cells to those of metastasized cells came from a single individual with colon cancer.

They identified two proteins that occurred at significantly higher levels in the metastatic cells than in the primary cancer cells. The two proteins could serve as potential biomarkers in a blood test for predicting the spread of colon cancer, allowing earlier intervention and treatment, the scientists said.

Copyright 2010 by United Press International

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