Six weeks later, scans of her right leg showed an alarming lack of bone growth. Her femur was essentially two bits of bone ...

PRESENTER:'Our skeleton has over 200 bones from the largest - our leg bone, or our femur, to the smallest - the bones in our ears. PRESENTER:'Bones are made of calcium and other minerals.

Jarem Frye is missing most of his left leg. When he was 14, Frye was diagnosed with bone cancer. The next year, doctors amputated his leg above the knee. One day while skiing (with one ski ...