A little help from fiber can get things moving smoothly.

About 15% of adults in the U.S. experience constipation, and even more struggle with it occasionally. Small tweaks to your evening routine—like taking a walk after dinner—may help relieve this issue.

If you’re someone who doesn’t poop regularly, there are several changes to your diet you can make to promote a proper No. 2. For example, ensuring that you’re eating enough food in general, getting ...