3. Constipation
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When someone is constipated, it means that they are unable to pass stool, causing a buildup of poop within the colon. This buildup of stool ends up creating odor, bacteria and therefore, smelly flatulence. This also happens when a person lacks proper fiber and water in the body, which then results in gas. Thankfully, in order to help alleviate constipation, there are a number of remedies that people can do like drink more water, take over-the-counter laxatives, and even exercise or more physical activity can do the trick.