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Science Daily - When nicotine binds to a neuron, how does the cell know to send the signal that announces a smoker's high? As with other questions involving good sensations, the answer appears to be sugar. A University of Southern California study appearing with a commentary in Nature Neuroscience online proposes a role for sugar as the hinge that opens a gate in the cell … [Read more...] about Nicotine Rush Hinges on Sugar in Neurons