Use glass or ceramic containers labelled for use in microwave ovens. Most takeout containers, water bottles and plastic jars are not microwave-safe and should be discarded consciously. Old and cracked containers or those that have been microwaved many times may leach out toxins. If food must be covered, then use a paper towel, not plastic wrap. Store your food in glass or stainless steel. Avoid plastics with recycling codes 3 (which means it contains phthalates), 6 (styrene), and 7 (bisphenols). Back Pain: Causes And Symptoms … [Read more...] about Is It Safe To Use Plastic Containers In Microwave?