Women who are carriers of mutated BRCA genes are known to have a significantly higher risk for developing breast and ovarian cancers than those who don't have the mutations. But a new study by the University of California Los Angeles (UCLA) faculty questions the value of screening for the genetic mutations in the general population — including those who do not have cancer or have no family history of the disease — because of the high cost.

School-age children born prematurely are more likely to have low mathematical achievement, thought to be associated with reduced working memory and number skills, according to a study in the neurology journal Brain.