How Do Laxatives Work?

The video discusses constipation, its causes, and various types of laxatives. It explains bulk forming laxatives, which use dietary fiber, osmotic laxatives that draw water into the intestines, and stimulant laxatives that increase intestinal contractions. It also covers lubricant and emollient laxatives, which ease stool passage. The video concludes with recommendations for maintaining a healthy diet and exercise routine to prevent constipation.

What percentage of people experience constipation symptoms at any given time?

• 10 to 40%

• 1 to 10%

• 2 to 30%

• 5 to 50%

What is the primary function of bulk forming laxatives?

• To stimulate intestinal contractions

• To coat the intestinal walls

• To increase water absorption in the colon

• To add soluble fiber to the intestines

How do osmotic laxatives aid in bowel movements?

• By stimulating nerve endings in the intestines

• By increasing the concentration of salts or sugars in the intestines

• By coating the intestinal walls

• By decreasing the surface tension of stools

Which type of laxative is known for acting the fastest?

• Stimulant laxatives

• Osmotic laxatives

• Lubricant laxatives

• Bulk forming laxatives

What is the role of emollient laxatives?

• To increase water absorption in the colon

• To add fiber to the intestines

• To stimulate intestinal contractions

• To decrease the surface tension of fatty stools