Our brain can shut off bad habits?

The study by Massachusetts Institute of Technology neuroscientists has found that a small region of the brain's prefrontal cortex, where most thought and planning occurs, is responsible for moment-by-moment control of which habits are switched on at a given time.

Habits are behaviours wired so deeply in our brains that we perform them automatically. This allows you to follow the same route to work every day without thinking about it.

"We've always thought