The U.S. government has approved the first noninvasive brain stimulator to treat depression - a device that beams magnetic pulses through the skull.
If it sounds like science-fiction, well, those woodpecker-like pulses trigger small electrical charges that spark brain cells to fire. Yet it doesn't cause the risks of surgically implanted electrodes or the treatment of last resort, shock therapy.
Called transcranial magnetic stimulation or TMS, this gentler approach is not for everyone. The Food and Drug Administration approved Neuronetics Inc.'s NeuroStar therapy specifically for patients who had no relief from their first antidepressant, offering them a different option than trying pill after pill.
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