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.
Harmful Effects of the Agent. Genetically modified organisms (GMOs) are a broad group of plants, animals, and bacteria that are engineered for a wide variety of applications ranging from agricultural production to scientific research.ost of the concern surrounding GMOs relates to their potential for negative effects on the environment and human health. Because GMOs that could directly effect human health are primarily products that can enter the human food supply, this website focuses on genetically modified food.