Stainless Steel and the passive layer Steel is an alloy of iron and carbon. Contrary to carbon steel, the presence of a minimum of 10.5 % chromium in the stainless steel gives it the property of corrosion resistance. Indeed, on contact with oxygen, a chromium oxide layer is formed on the surface of the material.
Sinus Drainage & Stomach Problems. One of the primary results of sinus congestion is drainage. Sinus drainage is expelled in two basic ways: through the nose and the back of the throat. When sinus drainage is expelled in back of the throat, it is referred to as postnasal drip and can cause stomach discomfort.
When it comes to stomach pain, finding the cause of your tummy trouble can be harder than solving an advanced Sudoku. Use this symptom decoder to help decipher what's up with your gut. 1. Acid Reflux. What it is: Acid flowing backward from the stomach up into the throat. It affects 20 percent of adults at least once a week. What it feels like: Pain or burning below your breastbone that's usually worse after you eat or when you lie down, says David Peura, M.D., former chairman of the National Heartburn Alliance.