In TODAY.com's Expert Tip of the Day, a doctor reveals the important clues about your health that can be found in your snot.

Cold sores, also known as fever blisters, can appear on your mouth or lip and are usually caused by oral herpes or herpes simplex virus type 1 (HSV-1). “It’s extremely ubiquitous,” says Alexandra ...

DETROIT (FOX 2) - Symptoms of the omicron COVID-19 variant may make you think you have the flu or a cold. Dr. Sandeep Sohal, an infectious disease fellow with Beaumont Health, said people are ...

First, you’re not alone. Up to 80% of American adults have the herpes simplex virus (HSV-1), which can cause cold sores (also known as fever blisters), according to Johns Hopkins. The viral infection ...

A runny nose, headache, or sore throat could be symptoms of either COVID-19 or a bad cold. Experts said it's tough to know the difference between the two from symptoms alone — so don't self-diagnose.

It's not easy to tell these health conditions apart based on their symptoms alone. Find out about the differences between these illnesses.

Fortunately, Dr. Buka has a genius solution for soothing a raw nose—using a lip product in an unexpected way. He recommends ...

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The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Struggling to sleep with a blocked nose or cough? These simple, effective tips will help you rest better when you’ve got a ...

The benefits of red light therapy have long been touted for the face and body, but brands are now releasing red light therapy devices targeted to healing specific ailments like cold sores and blisters ...