subject: An Introduction To Memory Foam Mattresses [print this page] What is memory foam? Its polyurethane foam, like the traditional foam found in mattresses and seats that has been around for a long time. The difference is that extra chemicals add weight and density, creating a different structure. It becomes more viscous so that when your body warmth comes into contact with the mattress, the visco reacts and adapts to your body's pressure points. It softens and moulds to your body shape. You nestle into the mattress, as opposed to just resting on it.
The memory foam mattresses of today owe their existence to the space programme. NASA developed memory foam to improve the safety of aircraft cushions. Astronauts needed help to combat the pressures of gravity during take-off and re-entry. They needed foam that would conform to the body's form and adapt to any movement of the body. The foam developed was temperature sensitive and was named "temper foam".
After NASA allowed the commercialisation of the foam it was originally used in medical equipment such as x-ray table pads and in football helmet liners.
The manufacturing process was difficult and unreliable, so it was too expensive for widespread use. It was used for patients who were immobile in their beds for long periods of time. Pressure sores result from decreased or stopped blood flow from being in the one position for too long. Memory foam mattresses decreased this problem remarkably.
In recent times the process has become cheaper and mattresses, pillows and mattress toppers are much more affordable. It is also used for wheelchair cushions and cervical pillows to help alleviate chronic neck pain.
It is still more expensive than the traditional foam mattresses available, but if you are looking for the ultimate in comfort for many years to come, you should consider memory foam mattresses as a good investment for your well-being, especially if you suffer from back problems. Its heat retaining properties could help those who suffer with pain.
