General HealthHealth Videos Helicobacter pylori (H. pylori): Understanding the basics by HealthVideoTips October 20, 2020 by HealthVideoTips October 20, 2020 Helicobacter pylori or H. pylori are bacteria that reside in stomach and intestine and can cause problems such as gastritis, peptic ulcer or stomach cancer. This video explains the basics. 0 FacebookTwitterPinterestEmail