A common virus that infects most people can trigger the chronic immune system condition lupus, according to a new study. Nearly 5 million people worldwide suffer from the autoimmune disease in which a ...

The Epstein-Barr virus (EBV) is so common that most people pick it up at some point, often as “mono,” and then forget about ...

The common cold is so ubiquitous that it feels like background noise, yet for a subset of people it is a wrecking ball that triggers weeks of misery or even dangerous complications. The same ...

Add Yahoo as a preferred source to see more of our stories on Google. Red colored cancer cells dividing Breast cancer patients who have been in remission for years or even decades may still need to be ...

Talk about a sore subject. New research suggests that a common viral infection lurking in as many as 8 out of 10 Americans could increase the risk of Alzheimer’s disease. But there’s a glimmer of hope ...

New research has suggested that a virus that has typically been thought of as common and harmless may actually be associated with an increased risk of Parkinson's disease. This study, which has been ...

About 5 million people worldwide live with the autoimmune condition lupus. This condition can cause a range of symptoms, including tiredness, fever, joint pain and a characteristic butterfly-shaped ...

The odds are fairly high that everyone around you is currently sick. But you’re not imagining things if it seems like your typical sore throat is worse than usual. A “mystery throat virus” is going ...

A study published 30 years ago is striking up new conversation about the potential connection between the common cold sore and Alzheimer’s disease. Published in The Lancet in 1997, researchers ...

Researchers have devised a new tool for discerning between naturally occurring viral outbreaks and those resulting from lab ...