Check with your doctor if you have a question. Vitamin D is also very important, and unfortunately is available only from a couple of sources naturally . Vitamin D is also found in fortified milk, and in most of the food supplements like Vivanex and Pediasure. Children with bowel disease or any child on long term corticosteroids need 400 IU vitamin D daily. Older adolescents and adults need 800 IU daily.
Flexibility exercises, such as yoga and tai-chi are also very good for reducing the rate of injury.
Obvious exclusions include smoking and alcohol. While no studies have been done to examine the effect of second-hand smoke, my feeling is that exposure should be limited wherever possible. Another suggestion is the avoidance of cola , like Pepsi , Coke , and other phosphoric acid containing soda. Some studies have shown lower bone density in adults who have increased consumption of these sodas. Results are promising, however, no trials in children have yet been attempted.