You may have no symptoms at all ... Lice are considered parasites because they feed on human blood. Maybe lice aren't exactly terrifying, but they are annoying and can strike fear into some ...

An ecologist shares his passion for parasites. From their vital roles in nature, to strange super powers and extraordinarily complex life cycles, parasites are natural wonders worthy of protection.

The 39th U.S. president aimed to quash the debilitating water-based infection before he died. Through the Carter Center's ...

A new study finds that 50% of adult blacklegged ticks and 25% of the younger ticks in the Northeast US carry the bacteria ...

Across most of the Northeast, getting bitten by a blacklegged tick—also called a deer tick—is a risk during spring, summer, ...