New York: People who harbor ulcer-causing bacteria in their stomachs may be protected against some diarrheal diseases, according to an Israeli study.Some previous studies had suggested that being infected with the bacterium, Helicobacter pylori, increases the risk of diarrhea, while others have reported finding the opposite, said researchers from Tel Aviv University."Our findings suggest an active role of H. pylori in the protection against diarrheal diseases," wrote lead author Dani Cohen in the journal Clinical Infectious Diseases.The bacterium is especially common throughout the developing world, but only causes symptoms in a minority of those it infects. People with chronic H. pylori infections are known to have an increased risk of stomach cancer and related diseases.Cohen`s team studied 595 male Israeli soldiers, close to one-third of whom visited a base clinic for diarrhea during their field training.
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