UNC-TV Science

Why Habits Are Hard to Break

Clip: Season 3 | 5m 56s

Whether it's biting your nails, chewing on a pen or watching too much TV, everyone has a habit and they are very hard to break. Watch as Duke scientists explore the lasting changes habits leave on the circuitry of our brains.

Aired: 04/25/16

Rating: NR

Video has closed captioning.

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