Snacking is kind of like the weather, everyone talks about it, but nobody does anything about it. Well, about over-snacking anyway. Seems like some of us just can’t pass up a sweet or tasty tidbit.
Anyone who works in an office knows the spot: The place where co-workers share sweet treats they brought from home, or leftovers from lunch meetings and birthday celebrations. Food appears out of the blue, and disappears just as quickly.

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But why can some people walk right by the free snacks without stopping, or only go there when they’re hungry, while others can’t resist eating every time they see food there? Some may even go out of their way to pass the food-sharing spot just in case there’s something out.
Neuroscientists like Shelly Flagel, Ph.D. want to find out — and not just because of the long-term harmful effects of too many calories. The same variation between people can happen with drugs like cocaine and heroin. Continue reading