Could a beach holiday be causing your heel pain?

A reader thinks they may have trodden on something sharp in the sand. Dr Mark Porter explains why a common foot condition could be the real cause.

Two people walking on the water's edge of a sandy beach at sunset
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Teide National Park, Tenerife at sunset with a view out over the water
Win a Saga cruise to the Canaries and Casablanca

Your chance to win cruise for two to Cádiz, Casablanca and the Canary Islands, worth more than £9,600.