For the past few months, my feet have been sheathed in socks and slippers like cave fish, hidden from the light.With summer around the corner, though, it's time for them to emerge.In preparation, I carefully inspect every inch of my feet to ensure they are ready to show to the world.But when I told Dr. Paul Greenberg, an assistant professor of orthopedic surgery at New York University's Grossman School of Medicine, that I give my feet a thorough once-over every spring, he told me to step it up.
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