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I think it’s underplayed how hard movement can be when you experience chronic joint pain. As somebody who has arthritis, I’m often told by friends or family members to take a pain-relieving pill and ...

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Gels are materials composed of a three-dimensional crosslinked polymer or colloidal network immersed in a fluid. They are usually soft and weak, but can be made hard and tough. Hydrogels are gels that ...