# What Is Visco-Elastic Memory Foam?
Developed in 1972 by NASA to make take-offs and landings easier on astronauts, visco-elastic memory foam now functions as padding in many mattresses. The foam provides such body contouring comfort, it makes a restful night's sleep an obtainable dream.
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Visco-Elasticity
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Memory foam, composed of polyurethane, will become firm, or viscous, in cold conditions, and flexible, or elastic, in hot conditions.
Memory Foam Back Support
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Memory foam is named because it "memorizes" the shape of the person lying on top of it and conforms to the person's body shape and heat. The flexibility of a memory foam mattress allows it to disperse equal support to a person's back, putting no undue pressure on any one area.
Benefits
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Memory foam beds have many advantages beyond creature comfort. They are hypoallergenic and dust resistant, making them good for allergy sufferers. They also allow easier sleep for people with aggravated health conditions, such as those with back pain, arthritis or circulation problems.
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Bedroom Furniture
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