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Is food cooked in a microwave oven considered harmful for the health?

I am well aware that there are concerns about "hot spots" (small areas which are hotter than others that are produced in the microwave) when heating something by microwave, but until I read this, I was under the impression that heating food (or formula/milk) in a microwave had adverse nutritional effects. It seems that heating it until it is lukewarm and then using hot water for the remainder would actually be more effective.

  • Aside from the "hot spots" issue, is there any detriment to microwaving a bottle?

marked as duplicate by Flimzy, Oddthinking Feb 1 '12 at 7:25

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • Well, as a single datapoint, once I tried to warm a baby bottle, the kind that's open on the bottom and had a plastic liner. So then I pointed it away from myself and gave it a shake. Pow! The liner popped and gave me 2nd-degree burns on my chest! – Mike Dunlavey Jan 13 '12 at 19:21
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    I've seen some kid-oriented science experiments using heat-sensitive color-changing substances that provide evidence hot/cold spots do exist - though I don't know if / how long they'd persist in low-viscosity liquid. Edit: puttyworld.com/usethputofis.html uses color-changing putty to find cold spots in a microwave, and measure the distance between them to estimate the speed of light. – user792 Jan 13 '12 at 21:23
  • @JoeWreschnig If you made that an answer, I would definitely +1 it – cwallenpoole Jan 13 '12 at 23:14
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    I would just make sure you heat it in a BPA & phthalate free type of plastic, or use a glass bottle. – Darwy Jan 14 '12 at 7:40
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    Maybe this is a better question for the Parenting SE? The nutritional aspects have already been addressed here. – Larian LeQuella Jan 14 '12 at 15:32