As Big Pharma's pipeline for blockbuster drugs slows, med tech giants are helping to fill the gap with devices that treat everything from migraines to severe depression.
Brain
On the market today...
Brain
THE DEVICES: Brain and nerve stimulators

WHAT THEY DO: Send electrical currents deep into the brain or to specific nerves to control tremors, seizures, depression, Parkinson's and pain.

WHO MAKES THEM: Boston Scientific (BSX), Cyberonics (CYBX), Medtronic (MDT), Neuropace, St. Jude Medical (STJ)

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