Latest research from Mintel Consumer Intelligence into eating habits finds today's Americans believing in the healthy diet option. Snacking and fast food appear low on the average American's agenda and around half of Americans claim to work hard at eating a well-balanced diet.  But are we practicing what we preach? Expanding waistlines and the booming snacks market shows there is a distinct dichotomy between how Americans feel about healthy eating and what they do in practice. On the whole, women show the greatest interest in their diet intake - while US men could learn a lesson or two from their counterparts.