A bunion is a bony lump on the side of the foot at the base of the big toe. This may be an isolated problem, but it is often associated with other problems with the shape of the foot.
The most common cause of bunions is footwear that does not have enough width to fit the toes in their natural position. High heels are particularly to blame as they squash the toes into the narrowest part of the front of the shoe.
Bunions are more common in women than men, and a tendency t…