A woman known as the “Ketamine Queen,” charged with selling Friends star Matthew Perry the drug that killed him, has agreed to plead guilty. Jasveen Sangha becomes the fifth and final defendant charged in the overdose death of Perry to strike a plea ...

The U.S. Food and Drug Administration has approved the ketamine product, KETARx, for use in surgical pain management.

STANDING outside the Hollywood home of Matthew Perry, as the coroner’s van carrying his body sped past, I couldn’t help but shed a tear. I had followed the star’s tragic decline for years,