A headset recently approved by the Food and Drug Administration uses a weak electric current to shock the brain. Some researchers hope it could challenge the current pill-centric paradigm. By Rachel E ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Vikki Velasquez is a researcher and writer who has managed, ...