Infection with the stomach bacterium Helicobacter pylori could increase the risk of developing Alzheimer's disease: In people over the age of 50, the risk following a symptomatic infection can be an ...

Half of the world’s human population is infected with the stomach bacteria called Helicobacter pylori, yet it causes disease in only about 10 percent of those infected. Other bacteria living in the ...

The nation is experiencing an increase in stomach infections caused by a strain of shigella bacteria that doesn’t respond to antibiotics. Here’s how to protect yourself. Increased transmission of a ...