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.
Underpronation is also a factor of the most common cause of heel pain, which is plantar fasciitis. Along the bottom of the foot is a tough ligament called the plantar fascia. This ligament attaches to the heel bone and runs the length of the foot towards the toes.