Constipation Blog Constipation Blog Facts Healthy people empty bowels after 10 to 12 hours of dehydration. Tea is first choice to people to beat constipation. Tea is dehydrating. Lemon water is second choice. Lemon is dehydrating. Walking for few minutes in the morning is another choice, Walking is dehydrating. The chances of constipation are very high among Old people. Old people drink more...