The cold sore-causing Herpes Simplex Virus (HSV-1) hijacks human cells and reconfigures its DNA within just an hour after infection, according to a new study that may help tackle the pathogen. Viruses ...

So, what exactly are cold sores? According to Dr Kakai Kulabusia, a medical immunology specialist, these are small blister-like spots that appear in or around the outside of the mouth and are caused ...

Your last meal is usually to blame if there’s a bad taste lingering in your mouth — but it could also be a sign you’re sick.

Symptomatic infection with the virus responsible for cold sores around the mouth–herpes simplex 1, or HSV-1 for short—may have a key role in the development of Alzheimer’s disease, suggests a large ...

Waking up with a spot on your lip is never a good feeling. Often cold sores or pimples are to blame, though telling the difference isn't always easy. They can look similar on the surface, but their ...

A "mystery throat virus" is going around, leaving people down and out for the count — and offering no real treatment.

What if someone told you that the nasal decongestants, pain relievers, skin ointments and cough suppressants that you spend a fortune on at the drugstore every year could be replaced with one, small, ...

“Meanwhile, flu typically causes a sudden onset of fever, severe tiredness and weakness, muscle and joint aches, a headache, ...

Your nose is runny and stuffy and your throat is sore. Could it be the start of a cold or a sinus infection? Or is it allergies? The symptoms of these conditions each overlap somewhat, but health ...

For the best experience, please enable JavaScript in your browser settings. So, what exactly are cold sores? According to Dr Kakai Kulabusia, a medical immunology ...