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.
GMOs and Human Health. Dr. Mae-Wan Ho told the People's Health Assembly that GM is proving bad for health because it goes against the grain of the new genetics science. A GMO or genetically modified organism is one whose natural genetic material has been modified by having synthetic genetic material inserted into it.he World Health Organization has just issued a report, Modern food biotechnology, human health and development: an evidence-based study (23 June 2005) claiming that although there may be potential risks involved in the use of GMOs, the GM crops that are grown today are not likely to present health risks.