Neuroscience has made extraordinary advances over the past two decades -- including the use of "brain pacemakers" to treat a wide range of health problems, from tremor and migraines to OCD and even addiction. 'Talk Nerdy To Me' host Karah Preiss speaks to Ohio State University's Ali Rezai, a pioneering neurosurgeon who is extremely hopeful about our growing understanding of brain malfunctions, and how to correct them.
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