A new study suggests that a common respiratory bacterium may play an unexpected role in Alzheimer’s disease.

Chlamydia pneumoniae—a common bacterium that causes pneumonia and sinus infections—can linger in the eye and brain for years and may aggravate Alzheimer's disease, according to a study from ...

Add Yahoo as a preferred source to see more of our stories on Google. Some eye infections will clear up of their own accord, others will need to be treated with medication such as antibiotics, in the ...

Eye twitching is usually harmless and triggered by stress, fatigue, screen strain, caffeine, or dry eyes. Here are some common causes, simple fixes, and when persistent twitching needs medical ...