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We heard throughout our formative years that lugging around a heavy backpack was terrible for our backs. But now that we’re older, the damage may have already been done — and we may even be shorter because of it. The textbooks we carried to class have literally made us shrink.
The pain starts in middle school. A 2010 study in the National Center for Biotechnology Information, which studied a small test group of children around the age of 11, found that the constant weight of the bag was actually causing spinal cords to compress and cause significant back pain. Those test backpacks were, at their heaviest, about 26 pounds.
Dr. Harvinder Sandhu, a spinal surgeon at the Hospital for Special Surgery in New York, says 26 pounds is on the lighter side. “Schoolchildren these days are carrying these huge backpacks with around 40 to 60…
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