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The furor surrounding the derivation and collection of embryonic stem cells has eclipsed the many other ethical, legal, and social issues that should be examined before these therapies move from the laboratory to human clinical application, say researchers working at Johns Hopkins University in Baltimore.
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The concept that epilepsy arises from an imbalance between excitatory and inhibitory influences in epileptogenic tissue has become fundamental to further investigations of the pathophysiology of this disorder. The primary observation motivating the study of Eid and colleagues is that glutamate levels are elevated in patients with mesial temporal sclerosis (MTS), perhaps the most common cause of medication-resistant epilepsy.
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A debate that has become more heated in the 21st century is whether all embryonic research should be subject to human subject research protection and IRB review.
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New guidelines for the treatment of bacterial rhinosinusitis were published in the January supplement of Otolaryngology-Head and Neck Surgery by the Sinus and Allergy Health Partnership.
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The possible association of migraine and stroke remains an active area of controversy in clinical neurology. Since migraines predominantly affect young people and the medications used can cause vasoconstriction, assessing the full vascular risk profile of migraine is important from a diagnostic and therapeutic point of view. To date, the literature is incomplete.
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Merkel cell carcinoma is a tumor of the skin that is well known for its metastatic potential. Because of its scarcity, no trials have been reported. Poulsen and colleagues from Australia conducted a unique multi-institutional Phase II prospective trial of concomitant chemoradiation for patients with high-risk disease and concluded that their regimen resulted in disease control and survival rates that are better than those reported in the literature.
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Munger and colleagues reviewed a database of 187,563 women enrolled in the Nurses Health Study, which longitudinally surveyed participants aged 25-55. There were 173 women with probable or definite multiple sclerosis (MS). Vitamin D intake was determined through the study questionnaire and 4 1-week diet records.