"Your eyes are bigger than your stomach." Many of us have heard this familiar warning against overeating. But no matter how many times we hear it, changing our eating habits can be difficult. Instead of counting calories, we often judge food by how it looks . . . and by its size. In today''s obesity epidemic, large portion sizes are a major factor. Find out how eating habits have been shaped by our love of bigness. Learn about what''s best for your long-term health—and what you need to do to begin changing bad eating habits now.