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

The protein, TgAP2X-7, appears to be essential to the parasite's ability to invade a host, form plaques, and self-replicate.

Traveling is definitely a fun experience; visiting countries with exciting natural wonders and experiencing new cultures. But ...

Warning: This story might seriously tick you off. Nearly 31 million Americans are bitten every year by tiny, blood-sucking parasites — and 2025 is no different. Emergency room visits for tick bites ...

Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm counts and quality since the 1940s. A more recent study found that male ...

Malaria remains one of the world's most devastating infectious diseases, claiming more than half a million lives each year.

Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm counts and quality since the 1940s. A more recent study found that male ...