Figure 1. “The second brain”

From

Impact of Mushroom Nutrition on Microbiota and Potential for Preventative Health

Ferrão J, Bell V, Calabrese V, Pimentel L, Pintado M, Fernandes TH

Journal of Food and Nutrition Research. 2017, 5(4), 226-233 doi:10.12691/jfnr-5-4-4