David Melamed, PhD,  —

David earned a PhD in Biological Sciences from Columbia University in New York, NY, where he studied how Drosophila ovarian adult stem cells respond to cell signaling pathway manipulations. This work helped to redefine the organizational principles underlying adult stem cell growth models. He is currently a Science Writer, as part of the BioNews Services writing team.

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Radiotracer May Improve Differential Diagnosis of Parkinson’s

An interdisciplinary team of researchers has developed a substance that may improve the differential diagnosis of Parkinson’s disease based on brain imaging — potentially allowing physicians to distinguish between patients who are sensitive to the side effects of parkinsonian medications and those who are not. Levodopa is one…