Other causes of stomach rumbles: 1  Incomplete digestion of food can lead to excess gas in the intestine. 2  Louder rumbles may occur when one is hungry. 3  Stomach rumbles can form further along the gastrointestinal system when air is swallowed while talking, eating, and drinking.
One cup of raw yams contains about 158 calories, whereas 1 cup of raw sweet potatoes contains about 114 calories. Therefore, yams contain about 44 more calories than sweet potatoes for an equal portion.
This humble root has numerous health benefits and can actually help you lose weight! Carbohydrates. Sweet potatoes have a slightly lower carbohydrate content than regular potatoes. One medium potato contains 26 grams of carbohydrates, while one medium sweet potato contains 23 grams of carbohydrates. Fibers. Sweet potatoes contain almost twice as much fiber as other types of potatoes.