Study Shows increased problems in USA
So they blame it on a modern life. If you eat right with a fair amount of fiber and just get out and move you'll be much less likely to have problems.
Where does Tennis come into the picture? How many regular tennis players do you know with digestive issues and in particular constipation. I submit that just the level of activity required to participate in the game at almost any level is easily the physical activity component needed to keep things moving. Add in high fiber food and if necessary some of the fiber powder used by older people and you should be without issue.
