Tech startups and giants such as Google and Facebook may provide employees with all the healthful coconut water and seaweed snacks they can handle, but if their employees are reaching past the good stuff and just scarfing down corn chips and Diet Coke at their desks all day, all is not well. Garbage in, garbage out, as the programmers say. 

Studies show that 70% of Americans 20 and older are overweight; more than one-third (38%) are obese. In the late 1970s, just 15% of Americans had reached obesity. In a generation, the average amount of daily calories people consume has increased dramatically, and much of that added intake comes at work, a place where perpetual grazing and hours of sedentary activity are the norm.