Humans have always battled microbes. But if the assaults seem to be coming more frequently and ferociously, that's because they are ...

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

"This is crucial." Researchers issue warning as common pests become hungrier for human blood: 'Super-charged' first appeared on The Cool Down.

Captive green iguanas are known carriers of salmonella, a bacteria that can cause diarrhea, fever, and stomach cramps in humans. Iguanas can also transmit the rare bacterial infection mycobacterium ...

Researchers found a respiratory bacterium in retinal tissue of Alzheimer’s patients, suggesting that infection-driven inflammation may speed cognitive decline.

Human and animal health are closely linked, with many diseases shared between them. As our world becomes more developed and interconnected, the proximity between wild animals and humans is shrinking, ...

A common type of irritating eye bacteria can linger in the body for many years after your symptoms have lifted, potentially contributing to a devastating cognitive decline ...

Health authorities in New York City warn that infections are trending upward, with 24 human cases last year and another 6 so far this year. Leptospirosis is a bacterial infection spread via contact ...

Growing research suggests the bacteria left behind by the common childhood infection may trick the immune system into ...

Add Yahoo as a preferred source to see more of our stories on Google. Every three seconds, someone in the world develops dementia. Alzheimer’s disease is the most common form of dementia, accounting ...