Carolina de Weerth is a Dutch professor of medical sciences and PI of the Developmental Psychobiology Lab at the Radboud University Medical Center [1] [2] [3] where she researches early childhood development. She obtained her Ph.D. in developmental psychology from University of Groningen where she researched infant stress. [4] She found a relationship between colic and the gut microbiome, [5] as well as a relationship between stress and pregnancies outcomes. [6] [7] [8] Currently she's researching the effect of skin to skin contact and milk composition on the infant gut microbiome. [9] [10] [11]