Ketamine: A 'breakthrough treatment' for depression?

If you’re wondering just what ketamine is, we were, too. Doctors say it has long been used in surgery to induce anesthesia to help put patients to sleep. People have also used it recreationally, and it has the potential for abuse. With the risks, not everyone is a candidate. But for Susan Lowe and other patients who’ve been cleared for treatment, it’s been like lifting a lifelong fog of depression.