Useful links

Before doing anything, know your body type :

http://www.muscleandstrength.com/articles/body-types-ectomorph-mesomorph-endomorph.html


ABC of Vitamins :
http://timesofindia.indiatimes.com/life-style/health-fitness/health/Learn-the-ABC-of-vitamins/articleshow/7850063.cms

Know about Diabetics :
http://www.medicalnewstoday.com/articles/7504.php 
http://www.diabetesmellitus-information.com/diabetic_food.htm

Glycemic index :
http://meerasubbarao.wordpress.com/2007/12/14/glycemic-indexgi-of-some-common-foods/
http://www.indiacurry.com/obesity/glycemic.htm