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.
H. pylori bacteria can cause ulcers by growing in the lining of the stomach, producing inflammation and causing the stomach and intestinal lining to be more easily damaged by stomach acid. But most people infected with H. pylori do not develop ulcers.