Artificial sweeteners affect more than just your waistline – they can also change what happens in the bathroom. Dr. Oz explains why certain sugar substitutes cause diarrhea and how you’re wearing out your bladder by drinking diet soda.

View Part 2 of The Problems Artificial Sweeteners Cause in the Bathroom.

See Dr. Oz’s investigation into the dangers of artificial sweeteners.

Watch Dr. Oz explain how you can cut back on artificial sweeteners.

Learn more about the dangers of food substitutes.

Want to help lower your risk of getting cancer? The answer could be in the food you eat! Dr. John Whyte, chief medical officer at WebMD and the author of "Take Control of Your Cancer Risk," says there are three kinds of foods that could really help prevent cancer: garlic, fish and grapes. And what three kinds of foods should you avoid? Red and processed meats, refined grains, and alcoholic and sugary drinks. Watch the videos below to learn more about how food could be connected to your cancer risk.