Lina Cha

Consumption of 85% cocoa dark chocolate improves mood in association with gut microbial changes in healthy adults: a randomized controlled trial.

Dong-Mi Shin, Ji-Hee Shin, Sojeong Kim, 2021, The Journal of nutritional biochemistry.

Probiotic Supplementation Improves Cognitive Function and Mood with Changes in Gut Microbiota in Community-Dwelling Older Adults: A Randomized, Double-Blind, Placebo-Controlled, Multicenter Trial

H. Baik, Dong-Mi Shin, M. Sim, 2020, The journals of gerontology. Series A, Biological sciences and medical sciences.