Getting In The Habit Crossword

Using certain words that are not considered polite.
Trigger your brain uses when deciding to commence a habit.
The thing your brain/body gets from performing certain actions.
Unfulfilled feeling that can trigger your brain to respond with a bad habit.
Control exerted to do something or restrain impulses.
Chemical release by the body that makes some habits so satisfying and addictive.
Bad habit that provides nicotine.
Group of consumable items not really needed and often eaten out of boredom or habit (4-4)
A powerful desire for something.
Habit that involved acquiring lots of items.
Some consider the things we make as a company bad and addictive. (5-5)
The collective for things such as Facebook and Twitter. (6-5)
Neurological process that is at the core of every habit. (5-4-4)
The way habitual behaviour is performed without realizing or being aware of one's actions.
100% legal drug that is over-used daily by many people.