mention factors that that contribute to the behaviour of lack of physica fitness and proper nutrition in adolescence

Answer 1

http://healthyeating.sfgate.com/leading-causes-bad-nutrition-3333.html

http://www.livestrong.com/article/292056-physical-fitness-and-proper-nutrition-in-the-adolescent/

http://www.joe.org/joe/2006april/a6.php