Intestinal metaplasija (IM) is not a common founding. It can be found in less than 5% of people infected with Helicobacter pilory. But Patients with a history of prolonged gastritis and intestinal metaplasia have a 6-fold increase in their risk of developing gastric cancer. The risk is especially high if the intestinal metaplasia is type-3.
What is ozone? Ozone, or O3, is a gas containing three oxygen atoms. Ozone is an unstable chemical that is highly reactive with other gases in the air. Ozone at ground level is unhealthy and is a component of smog. Ozone found high up in the atmosphere, called stratospheric ozone, protects us by shielding us from harmful ultraviolet (UV) light.
1 Ozone is a naturally occurring gas found in the troposphere and other parts of the atmosphere. 2  Tropospheric ozone is often called bad ozone because it can damage living tissue and break down certain materials. Tropospheric ozone is often called bad ozone because it can damage living tissue and break down certain materials. 2  Concentrations of ozone are not uniform in the troposphere. 3  Longer exposure to ozone will increase the negative effects.