EMF is a type of energy produced whenever there is an electric current. It is differentiated into two categories: EMI (Electromagnetic Interference) and EMF (Electromagnetic Fields). Of the two, EMF is purportedly harmful to the body and has created worldwide alarm as the 4th leading environment pollutant. An example of an appliance emitting high frequesncy waves, as EMF, is the microwave. These high frequency waves cause water molecules in food to vibrate rapidly causing friction, which produces heat and cooks food. Although general household appliances emit lesser amounts of EMF than the microwave, prolonged exposure to EMF can result in various problems such as disruption of neurological signals, decrease in melatonin production, and metabolic disorders. Home appliances such as refrigerators, TVs and computers emit comparatively larger amounts of EMF. Electric blankets and heating pads can be particularly harmful since they are in direct contact with the user's skin for relatively long periods of time.
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