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.
4. Crohn`s Disease. Crohn`s disease is a condition that causes the inflammation in the lining of the digestive system. Most common symptoms might include diarrhea, mucus, and/or blood in the stool, fatigue and abdominal pain around belly button. It is important to note that there will be times when the disease will present with only mild symptoms, but it can then flare up and cause serious health problems.