Hundreds of cases of cerebral palsy are being prevented each year after a Bristol initiative to give mothers of premature babies magnesium sulphate.
The drug, costing £1, is now used across the NHS to help prevent cases of the disorder.
The findings, published in the Archives of Disease in Childhood, said 85% of eligible women get the drug.
Read more at: https://www.bbc.com/news/uk-england-bristol-64290765