According to a recent small study, one dose of ketamine, a drug for mood disorders and severe depression, not only reduces the severity of depression in suicidal people, but also makes them feel safer and less likely to harm themselves.

“Laughing gas” is another name for nitrous oxide gas that is often used as a pain reliever by surgeons and dentists. In the dose of 50% it has also shown to be able to relieve depressive symptoms fast in antidepressant treatment-resistant people. However, this non-traditional treatment has also side effects like nausea, vomiting and headaches.