Eating too much of any one thing probably isn't going to be ideal, no one food covers all nutritional needs. Yet, when I sometimes suggest to my clients to be cautious of how much fruit they eat, they do not always understand why. It is because of the natural sugar in fruit called fructose and it's affects on the body when too much is consumed.
The link below will lead you to a very good article that explains why in detail.
http://articles.mercola.com/sites/articles/archive/2013/02/11/all-fruit-diet.aspx?e_cid=20130211_DNL_art_1&utm_source=dnl&utm_medium=email&utm_campaign=20130211
The link below will lead you to a very good article that explains why in detail.
http://articles.mercola.com/sites/articles/archive/2013/02/11/all-fruit-diet.aspx?e_cid=20130211_DNL_art_1&utm_source=dnl&utm_medium=email&utm_campaign=20130211