Your bones help you move, give you shape and support your body.
They are living tissues that rebuild constantly throughout your
life. During childhood and your teens, your body adds new bone faster
than it removes old bone. After about age 20, you can lose bone faster
than you make bone. To have strong bones when you are young, and to
prevent bone loss when you are older, you need to get enough calcium,
vitamin D, and exercise. You should also avoid smoking and drinking too much alcohol.
Bone diseases can make bones easy to break. Different kinds of bone problems include: