Causes. Giardia parasites live in the intestines of people and animals. Before the microscopic parasites are passed in stool, they become encased within hard shells called cysts, which allows them to survive outside the intestines for months.Once inside a host, the cysts dissolve and the parasites are released.auses. Giardia parasites live in the intestines of people and animals. Before the microscopic parasites are passed in stool, they become encased within hard shells called cysts, which allows them to survive outside the intestines for months.
On the other hand, those people who eat a lot of processed foods, and/or non-organic foods are susceptible to developing these health issues due to GMOs. For example, about 90% of the corn and soy in the United States is genetically modified. And a lot of processed foods have corn and soy ingredients.
GMO stands for genetically modified organism. Using genetic engineering, scientists alter genetic material in crops to make them resist insecticides, herbicides and make the crop yields higher. In United States, majority of soybeans, sugar beets, canola and corn have been genetically modified.o your research online. Furthermore, GMOs have a very negative effect on the environment. The herbicides used by Monsanto and other similar companies to grow these crops, sometimes run off into neighboring farms, streams and populated areas.