Smoothies are not only delicious, convenient, and fun to drink, but they're also a great way to get your daily requirements of fruits and vegetables. However, not all are created equal when it comes to health -- some smoothies from a popular chain weigh in at 500, 800, even 1,000 calories! Shell Harris and Elizabeth Johnson have tasted and tested hundreds. Skinny Smoothies features 101 original recipes for lighter drinks -- low in fat and calories...