CNN's Dr. Sanjay Gupta describes some small lifestyle changes that might help you lose weight. <script type='text/javascript' src='http://i.cdn.turner.com/cnn/van/resources/scripts/van-widgets.js'></script> <div data-cnnvansinglewidget data-affiliate='gantdaily' data-videoid='health/2015/02/19/newday-gupta-exercise-fiber-weight-studies.cnn' data-size='auto' data-autostart='true'></div>