How can I tell I’m not buying genetically modified food?

You can’t.

Let’s say you’re growing your own sweet corn that’s from a heritage seed exchange, or even better, from your own family’s seed.  But a neighbor, even miles away, grows GM field corn.  Corn pollinates via the wind.   Your sweet corn picks up the Roundup-ready gene.  It happens.

Same for soybeans and, before long, everything else.

And if you want something to worry about, there are now Roundup-resistant weeds that persist where they’re not supposed to be.

Some guidelines, though:

1. Organic food is less likely to be contaminated, but currently there are no labeling standards to help you know.

2. Locally grown small-farmer food has a better chance in this regard too.  Look, a smallish number of huge farms produce huge fields of non-GM items too close to their own huge field of GM food.

 

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