Researchers say taking a special vitamin supplement during pregnancy could prevent hydrocephalus - one of the most common birth brain defects.
Tests on rats showed a combination of folates dramatically reduced the rates of hydrocephalus - in which fluids build up in the brain's chambers.
They even seemed to work after the condition had started to develop.
But the work, published in the Journal of Neuropathology and Experimental Neurology, is still at an early stage.................................. http://news.bbc.co.uk/1/hi/health/7950590.stm