Your body is constantly dealing with microorganisms, its own and those introduced from the outside. Some microorganisms can cause what are called infectious diseases. Learn how the body deals with them.
German authorities are scrambling to unravel the mystery of one of the more deadly e. coli outbreaks we've seen in recent history. The outbreak has already killed 22 and hospitalized 2,200. See more »
I always knew there was something special about bananas. As it turns out, a strong new inhibitor of HIV derived from bananas may pave the way to new treatments to prevent sexual transmission of HIV, according to a newly published study from the University of Michigan Medical School. See more »