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Radiation in microwaves is completely harmless
Microwaves use low frequency electromagnetic radiation (same as in lightbulbs and radios).
When you put food inside a microwave, it absorbs these microwaves, which makes water molecules in the food vibrate, causing friction that heats up the food. Humans absorb electromagnetic waves, too. But microwave ovens produce relatively low frequency waves and they are contained inside the microwave.
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Microwave cooking and nutrients
There’s no simple answer as to whether microwaving vegetables will retain more nutrients that any other method, because each food is different in terms of the texture and nutrients they contain.
Studies show that shorter cooking times tend to not compromise nutritional content.
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The debates around microwave cooking
When used correctly, there’s nothing to worry about in terms of a microwave’s radiation, according to the World Health Organization.
But other concerns are less clear: for example, whether microwaving food causes nutrient loss, or whether heating food in ...
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Microwaving and heating plastic
- We often microwave foods in plastic containers and wrapping and this comes wit a risk: the risk of ingesting phthalates. When exposed to heat, these plastic additives can break down and leach into food.
- Phthalates are common (in toys and body lotions for example) and it’s still unc...
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Microwave: Heat risks
- Even if you avoid plastics, there are other potential risks of heating food in the microwave – including uneven heating, and the high temperatures used.
- Consider using microwaves to reheat, rather than cook, food, as it may cook unevenly.
- Reheating food comes with risks, t...
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