Think twice about buying in bulk – a new study shows it’s bulking you up.
Health economist Charles Courtemanche at Georgia State University found that when food options expand – a combination of big-box retailers like Walmart as well as sit-down and fast-food restaurants – there is a major spike in body mass index.
"Changes in variables related to calorie intake collectively explain 37 percent of the rise in [BMI] rates and 43 percent of the rise in obesity," Courtemanche says.
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Their analysis, which looked at 27 factors including the number of stores and restaurants to food prices, unemployment rates, smoking and more, found that the mere availability of cheaper and more convenient food leads people to eat more.
Fewer blue-collar jobs were also cited as a factor, though not because they spend their day at a desk.
"White-collar workers have the flexibility to graze all day at their desks, and they can take lunch out,” says Courtemanche. “It all points to caloric intake.”
There is some good news: If gyms were also convenient, BMI went down. Higher gas prices also deterred gluttony.