The pros and cons of the big squeeze

Juicing seems to be the new fad, and many people believe juice will help cleanse their bodies, boost immunity and prevent diseases.

But is juice really as good as its promise?

"If you are not a fruit lover, or if you cannot eat fruit under some circumstances, juice is a good alternative to ensure you obtain nutrients fruit can provide," says Ma Guansheng, a professor with the School of Public Health, Peking University.