A new clinic in Stratford is offering ketamine treatment to help people with mental health conditions.

Ketamine has been used as an anesthetic before surgeries for decades, but it can also be an option for those struggling with depression and suicidal thoughts — especially when antidepressant drugs and talk therapy don't work.

"Probably about 15 years ago they realized that if you use doses that are smaller than what are required for anesthesia to knock a person out, let's say, but still enough t…