calculus. Calculus, which was discovered by Newton and Liebniz, nothwithstanding all credit being given to Newton, is one of the most beautiful forms of intellectual material. Calculus requires and emphasizes the development of new methods of thinking, and therefore it is not for the weak minded.
Bacterial gastroenteritis happens when bacteria causes an infection in your gut. This causes inflammation in your stomach and intestines. You may also experience symptoms like vomiting, severe abdominal cramps, and diarrhea. While viruses cause many gastrointestinal infections, bacterial infections are also common.
Most patients with early stage stomach cancers have no symptoms of the disease. In other cases, a person with stomach cancer may mistake their symptoms for a common stomach virus. When the signs and symptoms of stomach cancer are not apparent, the disease may reach advanced stages before a diagnosis is made. Heartburn: Indigestion, heartburn or symptoms similar to an ulcer may be signs of stomach cancer. 2  Nausea & vomiting: Some stomach cancer patients have symptoms that include nausea and throwing up.