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Why can't we better regulate what is put in food and how animals are raised? Ask USA TODAY

A reader wants to know why we can't better regulate what is put in food and how animals are reaised. Science writer Elizabeth Weise answers. Have a question of your own? Send it via Twitter using #askusatoday, or e-mail askusatoday@usatoday.com.

http://www.wtsp.com/video/2382398567001/1/Why-cant-we-better-regulate-what-is-put-in-food-and-how-animals-are-raised-Ask-USA-TODAY http://videos.usatoday.net/Brightcove2/29906170001/2013/05/29906170001_2382394247001_th-5192e3c1e4b049d0720013bb-86366016001.jpg?pubId=29906170001 Why can't we better regulate what is put in food and how animals are raised? Ask USA TODAY A reader wants to know why we can't better regulate what is put in food and how animals are reaised. Science writer Elizabeth Weise answers. Have a question of your own? Send it via Twitter using #askusatoday, or e-mail askusatoday@usatoday.com. farm animalsEditorial pagecommongroundAsk USA TODAYcowsscienceorganicfoodmeatpigsCommon Groundchickensopinion 02:31

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