A doctor charged with giving Matthew Perry ketamine in the month leading up to the “Friends” star’s overdose death has agreed ...

A related compound, esketamine, has been approved in the European Union and the United States for the emergency treatment of treatment-resistant depression, administered as a nasal spray under strict ...

ESRI chairman Sean O’Driscoll's comments in an 'Irish Examiner' interview have resonated deeply — and with good reason ...