A nice smile is one of the most valuable things a person can own. Consequently, whitening your teeth can be extremely expensive. But getting rid of teeth stain does not have to dig a hole in your bank account. All you have to do to is change a bad few habits and try this weird trick to change your smile from yellow to white.
Every reason is good to quit smoking. Having white teeth is one of them. Not only does it drastically increases your chances of developing cancer, but it will turn your teeth yellow. There is no point in whitening your smile if you keep smoking, as it will not last.