Henry is a 3-year old boy was brought to see his pediatrician because his mom has noticed that his legs appear bowed. They live in a downstairs apartment without windows and he does not get to go outside very often. He drinks mostly juice and does not like milk or yogurt. What disease does he likely have and what vitamin is he deficient in? Name 2 foods you could recommend to help prevent this deficiency. What else could he change his environment/lifestyle to prevent this deficiency?