I'm reluctant to link to sites that have something to sell, and Shallenberger often promotes a product or products in his letters. Nonetheless, some of the advice is worth sharing, so I pick and choose.

Frank Shallenberger, MD
March 25, 2016

There are some things we never notice until they're gone. One of those things is the cartilage that pads our joints. You probably haven't given any thought to this cushion that keeps your bones from rubbing against each other — unless that cushion has disappeared. While cartilage can wear away over time, it's also possible for it to be damaged suddenly. And unlike many other parts of our bodies, cartilage can't repair itself. Once it's gone, it doesn't grow back.

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