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| Chronic insomnia may affect brain AMSTERDAM, Netherlands (UPI) -- Dutch researchers suggest chronic insomnia may adversely affect brain microstructure -- smaller volume of gray matter.
Researchers at the Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences in Amsterdam found insomnia patients had a smaller volume of gray matter in the left orbitofrontal cortex that was strongly correlated with the severity of the patient-reported insomnia.
Ellemarije Altena and Ysbrand van der Werf and colleagues from the research group of Eus van Someren evaluated the brain volumes of people with chronic insomnia who were otherwise psychiatrically healthy and people who were healthy and without sleep problems. The researchers used voxel-based morphometry -- a neuroimaging technique that allows the recognition of brain differences.
The study findings, published in Biological Psychiatry have spurred development of the Netherlands Sleep Registry as well as further investigation into defining the subtypes of insomnia and identifying causal factors, the researchers say.
"The more severe the sleeping problems of insomniacs, the less gray matter density they have in the region involved in pleasantness evaluation, which may also be important for the recognition of optimal comfort to fall asleep," Altena says in a statement.
Copyright 2010 by United Press International |
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| States crack down on meth ingredients WASHINGTON (UPI) -- Cold and allergy sufferers could find it more difficult to obtain a common decongestant in states trying to block methamphetamine labs, officials said.
Pseudoephedrine is mixed with other chemicals to produce highly addictive methamphetamine. The chemical mix, often concocted in hotel rooms and homes, can explode and catch fire.
California and Mississippi are considering bills to require prescriptions for medicines with pseudoephedrine, such as Sudafed and Claritin-D and several Missouri communities have passed prescription ordinances, USA Today reported Monday.
The Kentucky Narcotics Officers Association is helping draft a prescription bill for its state and Oklahoma plans to increase electronic tracking to detect excessive purchases.
The Consumer Healthcare Products Association says requiring prescriptions will delay access to common cold medicines and increase costs to consumers.
Oregon is the only state that requires prescriptions and U.S. Sen. Ron Wyden, D-Ore, says he favors mandating prescriptions for pseudoephedrine products nationwide.
Copyright 2010 by United Press International |
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| Dental school changes prescription policy DENVER (UPI) -- A Colorado dental school has stopped letting unlicensed student dentists obtain sedatives and write prescriptions for narcotics, The Denver Post reported.
The University of Colorado dental school also ended a policy under which dentists without an active Colorado license were allowed to treat patients alongside students, the Post said.
An investigation by the newspaper found students had been allowed to get the medications and write prescriptions using credentials of faculty members.
In three cases, Drug Enforcement Administration registration numbers of faculty members were used to write prescriptions and obtain sedation drugs -- even though those faculty dentists were not on campus at the time, the Post reported.
Federal law says only the doctor who has a relationship with a patient can write such prescriptions, DEA agent Jeff Sweetin said.
"That's inappropriate," dental school Dean Denise Kassebaum said of the way drugs and prescriptions were reportedly being dispensed, "and that's why we have changed the policy."
The policies were changed in early January after the university learned of the Post's investigation, the newspaper said.
Copyright 2010 by United Press International |
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| Malpractice risk affects doctors' hours PROVO, Utah (UPI) -- The number of hours physicians spend on the job each week is influenced by the fear of malpractice lawsuits, U.S. researchers say.
Eric Helland of Claremont McKenna College and Mark Showalter of Brigham Young University found that doctors cut back their workload by almost two hours each week when the expected liability risk increases by 10 percent.
The study, published in the Journal of Law and Economics, says the decline in hours adds up to the equivalent of one of every 35 physicians retiring without a replacement.
"The effect of malpractice risk on hours worked might seem like a small item compared to physicians moving across state borders or avoiding high-risk specialties like obstetrics," Showalter said in a statement. "However, when you aggregate that across all physicians, the total effect is quite large."
The analysis combined data gathered by insurers about medical liability risks in each state and medical specialty with physicians' responses to surveys about their workload and income.
When liability risk went up, doctors saw fewer patients each week to minimize their chance of a lawsuit. When liability risk went down, doctors saw more patients.
Copyright 2010 by United Press International |
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| Picking the Perfect Valentine's Day Gift Don't get stuck trying to pick the right thing for your loved one this Valentine's Day. You can get great gift ideas -- for him and for her -- from the ArcaMax Valentine's Day feature.
This special section also has holiday history and trivia, party ideas, and recipes for delicious desserts.
Visit the Valentine's Day feature.
-- From the ArcaMax editors |
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