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.
PhotoAlto/Frederic Cirou/Getty Images. Bloating is that awful puffy, poochy feeling you can get when you eat too fast, eat too much or if you eat foods high in fiber that can cause gas to build up in your digestive tract. Usually bloating isn't serious, but it can make you uncomfortable (and unhappy when you can't zip up your jeans).