Medical Xpress: PHYSorg news tagged with: gene duplications http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Report highlights child deaths from post-surgery codeine use (HealthDay) -- Researchers have identified three previously unreported instances of severe opioid-induced toxicity in children following adenotonsillectomy for obstructive sleep apnea syndrome, according to a case report published online April 9 in Pediatrics. http://medicalxpress.com/news/2012-04-highlights-child-deaths-post-surgery-codeine.html Sleep apnea Mon, 09 Apr 2012 13:50:02 EST news253195977 Study finds two genes affect anxiety, behavior in mice with too much MeCP2 The anxiety and behavioral issues associated with excess MeCP2 protein result from overexpression of two genes (Crh [corticotropin-releasing hormone] and Oprm 1 [mu-opioid receptor MOR 1]), which may point the way to treating these problems in patients with too much of the protein, said Baylor College of Medicine scientists in a report that appears online in the journal Nature Genetics. http://medicalxpress.com/news/2012-01-genes-affect-anxiety-behavior-mice.html Genetics Sun, 08 Jan 2012 13:00:14 EST news245240348