A new study now shows that even a few days of swapping all of our humble fruit and veg for a juiced version in what's known as a 'juice fast' could deprive us of the fiber we need to stay healthy.

Grapefruit juice and grapefruit can be part of a healthy diet. Grapefruit has vitamin C and potassium, nutrients your body needs to work properly. Grapefruit juice and grapefruit can affect the ...