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.
Recognize the symptoms of stomach flu. Signs and symptoms associated with gastroenteritis commonly appear within 4 to 48 hours following exposure to infectious agents or contact with contaminated food or water supply. Symptoms may include: Abdominal pain. Chills, sweating and clammy skin. Diarrhea. Fever. Joint stiffness or muscle pain.