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March 4, 2010

Microwave Oven Safety Examined

It's possible you've heard the rumour about microwave ovens being harmful. These rumours are, in fact, unfounded. To this day, no relationship between microwaves and cancer or any other condition has been proven. There was a study in the late 1980s that is responsible for most of the fears that people have, but even that was not decisive.

Microwaves Do Not Cause Cancer

No one has ever caught cancer or another condition from using a microwave oven. Microwaves in fact generate non-ionizing radiation, the opposite of other forms of radiation and x-rays which are linked to cancer and other conditions. Nonetheless, even though radiation is crossed off the list, there are other safety concerns pertaining to the use of microwaves that we need to be careful of. The reason being, the same as with any other type of cooking, microwaving has its risks.

Care in Heating Liquids

Liquids, for instance, when heated in a microwave dish with a smooth surface, can quickly overheat. Paradoxically, they might possibly rise to a temperature higher than boiling point without actually boiling. The liquid may start to boil violently the moment it is disturbed by moving the container or adding other foodstuffs. This may very well lead to a sudden burst of steam and water, leading to burns and scalding. This has been demonstrated using distilled water, but overheating can happen with other liquids, such as coffee and tea.

Make Sure Potato Skins are Pierced

There could also be hazard in cooking various other foods apart from fluids. Containers that aren't adequately vented, or items with a shell or skin, like eggs and potatoes, might blow up in a microwave. Steam can accumulate inside these containers or foods, with no way to escape, resulting in an explosion. The accumulation of pressure can cause the food to burst after a while. This normally leads to a big mess and maybe burns. Products that have been warmed up for long stretches of time can also ignite.

Never Under Any Circumstances Put Metal in a Microwave

Most people know it is a bad idea to put metal inside a microwave. When the metal in the object resonates, an electric charge is generated, resulting in arcing electricity or sparks. You need to be careful with takeout foods - unintentionally microwaving a box with a metal handle, or a twist tie that has a wire inside, can result in fires. To avoid the possibility of fire, be certain to remove any metal before using the oven.

Other Things to Bear in Mind

Never turn on a microwave with nothing inside it. When microwaves are turned on with nothing inside to soak up the radiation, a standing wave will be produced inside. When it's reflected between the cooking chamber and the tube, this energy may burn out your microwave. For the same reason food that has been dehydrated or is inside a metal wrapping ought never be microwaved. Instead of soaking up the wave, these materials will reflect it.

Arcing can also be caused by incorrectly arranging foods. Grapes are an example of this. Fire inside the microwave can also generate a spark of electricity - never put anything that's alight inside your microwave. Handle all foods carefully - even when they don't look warm. They may be warmer than they seem to be, and liquids can be especially dangerous. Handling your microwave with due care will enable you to produce great tasting, safe food. Just as with any other cooking method, the microwave requires a few safety precautions.

Jeffrey Aaron manages a number of websites devoted to advice and sales of kitchen related appliances and accessories and, in keeping with this article's topic, covering advantages of using a Microwave and more specifically sales of the over the range microwave oven.

Filed under Kitchen Counters by Robert Cooksey

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