Patient after patient asked: Is eating organic food, which costs more, really  better for me?

Unsure, Stanford University doctors dug through reams of research to find out  -- and concluded there's little evidence that going organic is much healthier,  citing only a few differences involving pesticides and antibiotics.

Eating organic fruits and vegetables can lower exposure to pesticides,  including for children -- but the amount measured from conventionally grown  produce was within safety limits, the researchers reported Monday.

Nor did the organic foods prove more nutritious.

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