Noting that one-third of secondary students in the country do not consume vegetables daily, the US Centers for Disease Control and Prevention recommends more healthy foods to be made available in schools.

http://www.reuters.com/article/2011/11/23/us-teens-food-idUSTRE7AM25320111123
http://www.parentcentral.ca/parent/familyhealth/article/1092204--scurvy-dogs-teens-eat-shockingly-few-fruits-and-vegetables-study-finds