Ebola is one of the nasty viruses that can hide in the body even after a patient recovers and tests negative. It can reemerge ...

Parasites have roamed the Earth for a long time. They were here before the dinosaurs: The oldest fossils are more than 500 ...

When a planarian flatworm loses its head, it simply grows another. The head, if left alone, can grow a body to match. In a ...

Parasites are dangerous creatures that survive off their hosts. Here are 12 common parasites that feed on the human body.

It’s common to have changes in your vision as you age, and the risk of developing eye disease unfortunately also increases as ...

Stem cells, which drive regeneration, require a microenvironment in tissue called a niche, but not so much in this ...

Injecting a fatty acid that is used to make very long fat molecules into the eyes of elderly mice improved their vision for up to a month, indicating that the natural compound could potentially be ...

The ability to regenerate lost body parts has long captured human fascination. Many creatures out in nature can perform feats of repair that far surpass our own abilities. For example, salamanders can ...

Davinia Beaver does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

A 35-year-old man visited the doctor after experiencing blurry vision and redness in his left eye for eight months, only for doctors to discover he had a worm in his eye. On Saturday, Aug. 9, The New ...

Here’s something to remind you that things could always be worse. A case study this month documents a man whose eye became infested with a parasitic worm. Doctors in India detailed the real-life body ...