Worms Provide Clues for Treating Brain Diseases

The tiny roundworm bears little resemblance to a person. Its nervous systemhas just 302 neurons to our 100 billion. Yet it uses many of the same genes and signaling chemicals as the human brain, so studies of its system could have relevance to our own. A new MIT study shows that even the simplest worm behaviors can be controlled by multiple signaling pathways, with implications for treatingf human brain disorders.

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