Parkinson's disease: University of Leicester hails 'scientific breakthrough'

Scientists at the University of Leicester are hailing what they are calling "an amazing new advance" in the battle against Parkinson's disease.

By experimenting on fruit flies, they have discovered that folic acid can prevent the disease developing.

A treatment for the incurable condition is still a long way off.

But Dr. Miguel Martins from the Medical Research Council believes it is a big step forward.