Medically reviewed by Amelia MacIntyre, DO A stiff neck and sore throat can occur together for many reasons, often due to an ...

Measles is unlike other childhood viruses. In severe cases, it can cause pneumonia. About 1 in 1,000 patients develops encephalitis.

Here's what causes bronchitis, how the illness usually spreads and how you can treat symptoms if it affects you or a loved ...

Health experts say an Australian study linking sexual activity to an infection that 1 in 3 U.S. women contract has provided a ...

Originally described in the context of particles drifting through liquid, Levy walk has been found to accurately describe a very wide range of phenomena, from cold atom dynamics to swarming bacteria.

Some people never fall sick while others fall ill constantly. The surprising reasons behind superhuman immunity and how you ...

People with Crohn's disease and related joint inflammation linked to immune system dysfunction have distinct gut bacteria or microbiota, with the bacterium Mediterraneibacter gnavus being a potential ...

Adults on average get one or two colds per year, with children getting up to six, and they usually last four to five days.The ...

If your cold symptoms won't quit, you may have something else. Doctors explain what it could mean if you've got a lingering ...