'No proof' detoxing diets work

Detox diets do no more than the body's own natural system to get rid of toxins, US researchers claim.

People have been "detoxing" for thousands of years, but the scientists say there is no proof that such bodily purges work.

And they say most modern books and detox kits serve up "empty promises".

Writing in Food Technology, experts from the University of Southern California repeat the advice that a balanced diet is best.