A walk on the beach after a pedicure could expose you to infections

David Murgueytio had his first pedicure about two years ago in a Rockville, Md., nail salon. It also was his last.

The pedicurist pushed his cuticles back with a sharp little scooped tool — “he dug in deep — and it hurt,” he says. The next morning, the big toe on his right foot was red…