New nasal spray conveys antipsychotic medicine straightforwardly to the brain Kumar Jeetendra | January 17, 2021 A team of neuroscientists and engineers at McMaster University has made a nasal spray to deliver antipsychotic medication directly to the mind rather than having it pass through the body. The jump in efficiency means patients with schizophrenia, bipolar disorder and other conditions could see their doses of powerful antipsychotic drugs cut by as much …