Scientific studies recently conducted show sugar is a toxin that can lead to major chronic diseases including obesity, heart disease and cancer.
Fructose has been linked to 78 different diseases so it is really important to limit our sugar intake and not just the white sugar that we commonly know but also sugar that comes from fruits. Click on the below link to read the full article.

http://articles.mercola.com/sites/articles/archive/2012/06/30/excessive-fructose-causes-obesity-and-cancer.aspx?e_cid=20120630_DNL_artNew_1