Sodium is an essential nutrient, but in excess, it can be damaging. Find out which common foods are surprise sources of hidden salt. Sodium has been linked to high blood pressure, which causes heart disease and stroke. The recommended daily dose is about 2300 mg a day. Beware of labels like “low fat” or “low calorie.” Foods labeled this way are often chockfull of extra sodium.

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.