Many diets have been labelled as "fad diets" in the past.

Some of them were considered crazy or even downright dangerous.

However, a few of these diets have now been studied by scientists and shown to actually work very well, often much better than the conventional nutrition guidelines.

Here are 8 so-called "fad" diets that are actually backed by studies. Many of them can help you lose weight quickly while drastically improving your health.

8 "Fad" Diets That Actually Work (for fast weight loss, health improvement and more)

- Kris