Got a bad habit you just can't seem to break? That's because it's literally wired into your brain.Every single thought, action, and feeling changes your brain. When repeated enough times, a habit is formed. This week we'll talk about how an advertiser in the early 1900s got half of Americans to pick up a new behavior - and make it a habit we all know today.

Originally released by Knowledgemotion, 2018. Streaming video file encoded with permission for digital streaming by Infobase on February 21, 2020.

How Habits are Formed (5:47); .