Vending machines may start delaying delivery of less-healthy snacks

ABC News' Dr. Jennifer Ashton reports the latest news on vending technology.
1:57 | 04/01/17

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Transcript for Vending machines may start delaying delivery of less-healthy snacks
??? So, this is a dilemma many face when we go to a vending machine. Go for a healthy snack or succumb to the temptation of something salty, sweet or fatty or all three. There may be a fix? For more let's bring in Dr. Jen Ashton. Jen, good morning. Good morning, Dan. Here's the deal. Dr. Brad apple Hans designed a device inside a vending machine that told customers they'd have to wait an extra 25 seconds for unhealthy snacks. That increased by 5%. What if anything do you take away. We are incredibly impatient. We like instant gratification. We hit that button on the machine we want that snack to drop out immediately. I think it speaks to a couple of things, mind/body connection. Association between what we think and what we do and number two, the massive innovation now that's going on in the world of behavioral science, nutritional science and commercial enterprise to combat obesity and help us try to eat better. You think though that when we're hungry when that hunger kicks in we have a temptation to make a bad choice. No question and science has proven that. It can be really hard to control those urges and it can sabotage our diet. You know, sometimes thirst is masquerading as hunger so we need to be aware and have a plan before you step in front of that machine about what you actually want to consume. What should we look for? I'm a big believer in reading those labels. To me the salt, the added sugar is the most important, salt, calories and if you feel you can't control the urge and impulses bring your own snake. Right. So we brought three examples of things we shouldn't -- I'll go for the popcorn. Of the chips, popcorn and pretzel. I'll have it too in the commercial break. We'll be right back. Thanks, Dr. Jen. We'll have "Pop news" and decidedly unhealthy snacks. Keep it here.

This transcript has been automatically generated and may not be 100% accurate.

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