Ketamine, which was discovered in 1962, is licenced for medical use as an anaesthetic but is also used illegally as a recreational drug.
Trials into its use as a treatment for depression are in early stages, said Dr Mc Shane, who is calling for a new medical registry to track where and how it is prescribed and provide a “layer of scrutiny that currently we don’t have for any antidepressants”.
Depression is more than feeling unhappy or fed up for a few days.
It is a common mental disorder that causes people to experience depressed mood, loss of interest or pleasure, feelings of guilt or low self-worth, disturbed sleep or appetite, low energy and poor concentration.
Most people told their partners within six months of starting their relationship, with nearly a quarter revealing the information immediately.
However, nearly 10% said they waited longer than six months and 12% said they waited over a year.
For the survey, Psych asked 2,140 people about their relationships and their mental health.
We had been together for three months and were lying on my bed, when he propped himself up on one elbow, looked me in the eyes and said, “I need to tell you something”.
And while about 74% of women said their partners knew, only 52% of men said the same.
However, respondents told their partners about their diagnoses didn't seem to differ by gender.
A lot of this reticence undoubtedly comes from the stigma our culture places on mental illness, which is often magnified under the scrutiny inherent in dating scenarios.
But it's encouraging that a large percentage of respondents said that their partners were supportive when their disorders got tough.