I believe false but i’m not sure :)
Answer:
Osmosis occurs where the movement of water move from a region of high water potential to a region of low water potential.
The water potential in blood capillaries need to be higher than the water content in intestinal so that the water will move from blood to intestine which cause diarrhea.
Mostly, it would be social scientists however, some biologist could also explain these behavioral characteristics and temperaments like geneticists and cognitive scientists.
Variables and factors like the biological, environmental and evolutionary component of how a trait is unearth by these experts.