Aside from a child's inherited genetic predisposition to asthma, other factors which are thought to influence whether they develop it or not include the number of brothersorsisters they have, and to a certain extent their diet in the early years.
Educational psychologist Vivian Hill says parents can help by taking noisy brothersorsisters out and creating a quiet space for the child in the home or encouraging them to study in the school library or another quiet place.