The cause of poor health of school going children could be tiffin packed by their mothers and not the canteen food alone.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/kids-suffer-due-poor-nutrition
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/asian-age-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/children
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/child-health
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ngo
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diabetes
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/obesity