Physiol Behav. 2010 Sep 1;101(2):211-7.
Morinda citrifolia fruit reduces stress-induced impairment of cognitive function accompanied by vasculature improvement in mice.
Muto J, Hosung L, Uwaya A, Isami F, Ohno M, Mikami T.
Noni juice protected mice against stress-induced impairment of cognitive function. This protective effect may involve prevention of stress-induced decreases in blood vessel density in the hippocampal dentate gyrus. (view original abstract at https://www.ncbi.nlm.nih.gov/pubmed/20416332).