2 Answers 2. The Kindle iphone app does not read pdf or epub files without conversion. There are various tools you can use to convert from pdf and epub to the mobi format that the Kindle app can read. The one I use is Calibre, and it works pretty well. Epub files generally convert without problem, but pdf files might be harder, depending on how complex the pdf is.
Irritation of the stomach from spicy foods, smoking, alcohol, or infection with a bacteria called Helicobacter pylori may all cause symptoms of indigestion, which might include excessive burping. Burping is rarely a sign of a serious medical problem.
A: Sara Stanner writes. Stomach noises â rumbling, gurgling and growling â are typically due to normal digestion as food and gas passes through the intestinal tract. Stomach grumbling can occur at any time but is most common when there is a lack of food in the stomach.When the intestines are empty, the natural noises made when food is passed through are amplified.When you are hungry, your stomach releases substances that send signals to the brain to begin muscle contractions and the release of acids and other digestive fluids as your body prepares to eat.hen the intestines are empty, the natural noises made when food is passed through are amplified. When you are hungry, your stomach releases substances that send signals to the brain to begin muscle contractions and the release of acids and other digestive fluids as your body prepares to eat.