Osteoporosis is a disease in which bones become brittle and easy to break. It is more common in women and usually worsens with age. Michael Mosley is trying to figure out how to keep bodies, bones and muscles healthy.

骨質疏鬆症會使骨頭變得脆弱且易碎。這種疾病好發於女性身上，而且通常會隨年齡增長而惡化。邁克爾莫斯利了解到如何維持身體、骨骼與肌肉的健康。