In mice, nitric oxide in the brain may both inhibit and encourage aggression. R.J. Nelson, et al . Elimination of aggressive behavior in male mice lacking endothelial nitric synthase. Journal of Neuroscience . Gammie, S.C., and R.J. Nelson.
Maternal aggression is reduced in neuronal nitric oxide synthase-deficient mice.
From Science News , Vol. Copyright 1999, Science Service.