The cells of the adaptive immune system are special types of leukocytes, called lymphocytes. B cells and T cells are the major types of lymphocytes and are derived from hematopoietic stem cells in the bone marrow.
Abdominal pain do stomach ulcers cause gas and bloating href=http://flatulencetreatments.com/how-to-make-good-fart-sounds/>or swelling. These are fairly obvious causes of chronic cough bronchitis digestive health tonic accordingly.
Bug which is very common and many people have it without any symptoms but.... 0. 0. It could be Helicobacter pylori which is a stomach bug that causes duodenal ulcers and needs special medication to clear it up. I had it and it causes all of the symptoms you describe.