New device captures circulating tumor cells; Naltrexone effective against meth addition;

> A new device called the Cluster-Chip developed at Massachusetts General Hospital was used to capture rare clusters of circulating tumor cells, which should help illuminate their role in metastasis. Release

> UCLA investigators say that they were able to demonstrate the effectiveness of naltrexone--used to combat alcoholism--in treating methamphetamine addiction. Release

> A new study in Frontiers in Aging Neuroscience suggests that omega-3 fatty acids may help boost cognitive flexibility. It's important to add, though, that there's no decisive proof of this. Story

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