Five-year-old Oscar's life has regularly hung in the balance because of severe asthma.
Five-year-old Oscar's life has regularly hung in the balance because of severe asthma.
Scientists have for the first time used gene-editing to treat Duchenne muscular dystrophy in a large mammal, a significant step towards effective treatment for people with the disorder.
Children are developing permanent problems with their vision because they are not being given eye tests early enough, optometrists have warned.