Does a ball point pen have an expiry date? Or more specifically does the ink inside the refill of a ball point pen get spoilt or expire over c...
1 Ill-fitting shoes. Poorly fitting shoes are a frequent cause of foot pain. High-heeled shoes concentrate pressure on the toes and can aggravate, if not cause, problems with the toes.  Certain medical conditions. Any medical condition that causes a disturbance in the way a person walks can contribute to foot pain.
A corn or a callus is the most common cause of painful bump on bottom of foot, which results from constant pressure or friction from your tight shoes. Repeated trauma can also cause a hard spot on bottom of foot. Calluses can be really painful especially if you often stand on your feet all day.