15 habits that can make you happier

We would all like to be a little happier.

But advice on exactly how to boost your happiness is often not backed by science, even though there's a whole field devoted to studying it.

While everyone has different things that make them happy - a taco stuffed with cilantro is joyful for some and miserable for others - research on well-being has found that people who are happier have certain habits in common.

Here are 15 of those habits that you can practice every day.