Scientists have discovered why the H. pylori bacterium, which infects half of the world�s population, causes stomach problems in some people and not others.

Helicobacter pylori, which lives in the stomach, is thought to cause peptic ulcers and even gastric cancer.

But it was not known why only some people were affected in this way.

A Monash University team writing in Nature Immunology found some strains of the bacteria have a syringe-like device allowing them to affect stomach cells...more click on heading

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Among girls at increased risk of type1 diabetes, those whose mothers had colds or certain other infections during pregnancy might be less likely to develop diabetes, new study findings suggest.

Researchers found that in early childhood, these children were 80 percent less likely than other at-risk girls to develop autoantibodies -- that is, antibodies targeting "self" proteins -- that precede type 1 diabetes...more click on heading

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