Genetics

New study explains evolution of duplicate genes

From time to time, living cells will accidently make an extra copy of a gene during the normal replication process. Throughout the history of life, evolution has molded some of these seemingly superfluous genes into a source ...

Sleep disorders

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 ...

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