Helicobacter pylori that has proved as a cause of stomach ulcers also has link with stomach cancer, a new study suggests.

The researchers investigated the cases of 550 people who had surgery for their stomach cancer. They found that the risk of developing cancer second time decreased twice by using antibiotics that killed Helicobacter pylori.

To find whether killing of the bacterium really stops the development of the cancer, more than 56,000 British people will be under a trial soon.

H.pylori invades the stomach and it is considered the cause of more than 90% of duodenal ulcers and 80% of gastric ulcers.

The two Australian researchers are quite well-known to link H. pylori with stomach ulcers as one of these researchers intentionally infected himself to prove the theory and later on they were awarded with Nobel Prize for their discovery in 2005.

The bacterium has also been classified as a major cause of stomach cancer by the world Health Organization.

Method of preventing recurrence of stomach cancers in patients who have gone through surgery is being considered somewhat conflicting.

But a new study that has been conducted in Japan showed that the strategy of eradicating the bug from the stomach can be very useful.

A procedure of removing the cancerous cells and surrounding tissue is carried in the patients with early stomach cancer.

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