Consumers are snacking more than ever. A lot more. According to National Health and Nutrition Examination Survey data shared this spring at the IFT Wellness 14 conference, four out of 10 adults (41%) didn't snack at all in 1977. By 2007, that was true for only 10% of adults, and nearly one in five (18%) said they had four or more snacks daily compared with 5% who had that many in 1977. In fact, snacks now represent half of all eating occasions in the United States, according to Hartman Group da…