iOS/Android: Choosing how to use spare moments on your phone can feel like dieting. You might find yourself choosing Twitter or Facebook every time, mad at yourself for never cracking open Kindle or Instapaper. Fighting this habit takes a whole arsenal, so here's one more weapon: Turn off all your "bad" notification badges and turn on some good ones.

I have a bad habit. On Saturday nights, after a few glasses of Chablis and a night of doing nothing, I take a trip through my online wishlist looking for something to buy. It's a costly habit that's filled my home with with cheap books, expensive Gundam model kits, and a few E-Mount lenses I haven't exactly gotten around to using.

Android: We all have bad habits, whether it's smoking or biting your nails or buying crap you don't need. Some habits are harder to break than others, of course, and while this app won't do the hard work for you, it might help you along the way.

You pick up your phone, glance at Facebook, Twitter, Instagram, then peek in on your email. By the time you're done with that, it's time to see if anything's new on Facebook again. Then, you realise an hour has passed. Researchers call this a "ludic loop". Over at Barking Up the Wrong Tree, Eric Barker digs into Adam Alter's Irresistible for a solution.

Dear Lifehacker, I've been a smoker since I was 14. I'm now 22 and I consider myself to be smoking hot (pun intended). I've heard that smoking cigarettes can age you prematurely. However, judging by the before-and-after photos I've seen, most of these people were pretty rough to begin with! Will smoking really ruin my good looks, or will I just go from a 9 to an 8.5? (I whiten my teeth professionally, so that's not a problem.)

Does your colleague's humming drive you mental? Is your cubicle neighbour's mess overflowing onto your desk? We want to know all about what makes you Hulk rage at your workplace and, more importantly, what you do in order to stop yourself from going postal in the office.

Everyone wants to quit their bad habits and start good ones instead, like a half-hour of exercise instead of sleeping in, or drinking water instead of soft drink. But more often than not, you'll stop halfway into your resolutions. The reason, Gretchen Rubin says, is poor self-assessment before you get started.

Most of us have a habit or two we'd like to break, but we lie to ourselves so those bad habits don't seem as bad as they are. If you want to give a jump start to the unlearning process, begin by showing yourself hard evidence that your habit really is affecting you in a negative way.

All of us can admit to a poor work habit that holds us back. Maybe we're always interrupting people, or we're chronically late to meetings, or we've got an excuse for everything that goes awry.

When one person helps someone else indulge a bad habit, we call them an enabler. But what about when you make your own bad habits easier? If you want to stop enabling yourself, start making your own bad habits a pain in the arse.

Unless you're a masochist and/or sociopath, you probably don't indulge in bad habits by choice. Instead, it's usually something you "fell into" and can't seem to navigate your way out of. This infographic from Vegas Extreme Skydiving explains the psychology behind bad habits along with some tried-and-trusted tips to help you break them.