constipation and evidence based modern science

constipation and evidence based modern science constipation and evidence based modern science 90% of the population of this world passes stool in the morning. 90% of the population of this earth does not drink water during night. So effectively 90% of the population of this earth passes stool after 10 to 12 hours of dehydration. Can we really say that for passing healthy stool, one should...