Filthy Habits: Are your established routines restricting your success?

No, this article isn't about nuns in need of a good wash. It's about consumer behaviour. Human psychology. Interesting sciencey(ish) stuff.
When I say 'habit', what do you think of? Smoking, right? Drinking? Maybe drugs? All the things that teenagers think make them look much cooler than they actually are. These habits get a lot of exposure because they're particularly dangerous and quite difficult to break.
But we all have habits, albeit usually much more benign ones. A habit is defined by Goog