Parasites are those creepy crawly organisms that use other species of plants and animals as hosts. Science majors interested in this field of study are absolutely fascinated by the parasitic lifestyle. As far as their existence on this planet, parasitic lifestyle has been very successful. The species of parasites are numerous. They far exceed the number of free-living species. This is the main reason why parasitology has so many diverse and dynamic fields to choose from. This article will focus on the most familiar area of study: medical parasitology.
Medical parasitologists study tapeworms, roundworms, mites, ticks, and other parasites that attack and cause diseases in humans. They investigate the characteristics, habits, and life cycles of various parasites in order to develop methods or drugs to combat parasites or treat diseases caused by them.