They’re getting warmer….
Essentially, the same mechanism as l-arginine.
Perhaps now they’re getting closer to abandoning the nonsense dopamine hypotheses which have stagnated thinking for the past 30 years or so….
“The results of this small, preliminary study were remarkable. Substantial improvement was observed within 4 hours and continued for 4 weeks following a single administration of nitroprusside. Both positive and negative symptoms of the disorder showed substantial improvement.
These results are rather dramatic and, as such, there is need for caution. They will need to be replicated in larger studies and by different groups of researchers. In addition, risks versus benefits must be evaluated. In this particular study, there were no differences in side effects between the group receiving the sodium nitroprusside and those receiving placebo.”