Unclean water and food plus unhealthy living habits can bring various kinds of parasites and germs into the human body. Among the various kinds of parasites, the following 10 are the most common and the most dangerous.

Although they look very scary after being enlarged thousands of times, there really is no need to panic. Just maintain a healthy lifestyle, be careful what you consume and they probably will not cross your path.

Let's take a look at the top 10 most damaging parasites that can infiltrate the human body:

   Toxoplasma gondii

Toxoplasma is an obligate intracellular parasite and can infect the majority of mammals. It flows to every part of human body through the blood and damages organs such as the brain, the heart and the eyes. It causes a disease called toxoplasmosis. People who are infected with this parasite will show symptoms similar to those of the flu such as fever, chills, overall weakness and headaches.