| http://www.w3.org/ns/prov#value | - The study indicates that people experience less back pain and fewer stress symptoms when sleeping on a new mattress, noting that the best mattress for back pain is a new one.What did the Study Find Specifically?The study, conducted over the course of 28 days, discovered that among participants lower back pain reduced significantly over each of the four weeks the study tested, and that the improvem
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