After final sentencing in ‘Friends’ star Matthew Perry’s death, questions about ketamine safety continue to grow. Is it safe for depression, and is ketamine addictive? – UCHealth By Addiction & Recovery After final sentencing in ‘Friends’ star Matthew Perry’s death, questions about ketamine safety continue to grow. Is it safe for depression, and is ketamine addictive? UCHealth Brought to you by Google News. Read the rest of the article here Facebook Twitter Pinterest