Cod
In terms of profitability, cod farming is no better than tilapia farming. The fish swim around in the garbage-filled water, eating whatever they can find. Consuming them would be harmful to your health.
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Rice Noodles
To impart the look of freshness to noodles, sulfur dioxide is sometimes utilized. Sulfur dioxide is not only damaging, but it also has the potential to cause cancer. Yikes.