1. Superweeds are weeds that can't be killed by common herbicides. In our attempts to eliminate the common weed, we have produced new, harder-to-kill weeds. Superweeds are directly related to the high amount of herbicides used with GM crops.


2. Because of superweeds, Monsanto is formulating new herbicides (poisons). Once herbicides create superweeds, new poisons are "needed" to fight them, and then the cycle continues.


3. A new paper studying GMOs in animal studies found that they had adverse effects on organs, especially the liver and kidneys. 


4. A Russian study found that GMOs cause sterility in animals after three generations.


5. They also caused infant mortality in animal studies.


6. GM crops cross-contaminate, and even organic crops can become infected by cross-pollination. Once we allow GM crops to be grown, they cannot contained and will spread. If there are risks to GMOs, then those risk will be difficult to contain.


7. GM crops have an adverse effect on our environment. The high amount of pesticides and herbicides used on GM crop can have a devastating effect on nearby ecology systems.


8. Because GM seeds are patented, Monsanto does not allow farmers to save seeds but forces them to continue to buy new seeds from them year after year. By supporting GM crops (and buying products that use them), you are helping support a company that is more concerned about profit than using technology to help the worldwide community.


9. Along those same lines, GM crops can have devastating effects in developing countries. Unlike what you’ve heard, GM crops are not the answer to starvation and world hunger. The International Assessment of Agricultural Knowledge, Science and Technology for Development (IAASTD) reported that GM crops do not offer better nutrition or reduce poverty and starvation.


10. GM foods were first put on the market in the early 1990s. That means that I was among the first generation raised on GMO foods. I dare not trust my family’s health to something based on such a new technology. That fact is, GMOs have hardly proven to be safe yet. We have the right to protect ourselves and our families from being the "test subjects" for GMOs.


Plus: Learn five ways to protect your family from GMOs.


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10 reasons to avoid genetically modified foods
One of MNN's food experts points to the research and offers her rationale for avoiding GMOs.