You might also share various microscopic organisms residing on and in you. This community of microorganisms, which consists of mainly bacteria, viruses and fungi, is known collectively as the human ...

Bacteria that lurk in food can make that food delicious or deadly. Why is it that some bacteria in food are safe and even beneficial, while others are harmful and can cause illness? "Over millions of ...

A high-fat diet can cause the intestinal lining to weaken, allowing live gut bacteria to travel directly to the brain in mice ...

Researchers have discovered that bacteria can sense threats in advance through a general danger signal. Bacteria detect when nearby cells are dying and proactively form a protective biofilm.

An electron microscope image showing clumps of Streptococcus mutans, strains of which are the dominant cavity-causing bacteria in humans. The bacteria form clumps after producing and secreting a ...